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05-13-2024, 08:14 PM
Chevy Block Casting Numbers


Use these casting numbers to identify the block you have.
Small Block Casting numbers


Casting Number




Years


CID


Comments




330817


70-80


400


Car & Truck 2 & 4-bolt 3-freeze plugs




355909


75-79


262/305


car & Truck 2-bolt




360851


75-76


262


2-bolt




361979


76-79


305


car & Truck 2-bolt




366245


78-82


350


Bowtie High tin 4-bolt




366286


82


350


Bowtie aluminum 4-bolt siamesed




366287


82


350


Bowtie aluminum 4-bolt siamesed




366299


82


350


Bowtie aluminum 4-bolt




389257


67


302


2-bolt




391436


68-73


307


2-bolt




393288


65-67


283


2-bolt




460703


78


350


4-bolt




460776


76-79


305


Car & Truck 2-bolt




460777


76-79


305


Car & Truck 2-bolt




460778


76-79


305


2-bolt




471511


79-82


267


Car & Truck 2-bolt




3556519


58-61


283


2-bolt




3703524


55


265


car & Corvette no oil filter 2-Bolt




3720991


55-56


265


Car & Truck 2-bolt




3731548


57


283


Car & Truck 2-bolt No side mount




3737737


57-62


283


2-bolt




3737739


57-62


283


2-bolt




3756519


58-62


283


2-bolt




3782870


62-67


327


car & Truck 2-bolt




3789817


62-67


327


2-bolt




3789935


61-66


283


car & Truck 2-bolt




3790721


64-67


327


2-bolt Chevy II Nova Recessed filter




3791362


66-67


327


2-bolt Chevy II Nova Recessed filter




3791363


66-67


327


2-bolt Chevy II Nova Recessed filter




3792563


65


327


2-bolt




3792582


64-65


283


2-bolt




3794226


57-63


283


2-boltTruck




3794460


68-69


327


2-bolt




3814660


68-69


327


2-bolt




3830944


63


327


2-bolt




3834810


65-67


283


car & Truck 2-bolt




3834812


62-63


283


2-bolt




3837739


58-62


283


2-bolt




3849852


57-66


283


car & Truck 2-bolt




3849859


57-66


283


car & Truck 2-bolt




3849935


65-67


283


2-bolt




3858174


64-67


327


car & Truck 2-bolt




3858180


64-67


327


2-bolt




3858618


68-76


350


2 & 4-Bolt




3862194


65-67


283


2-bolt Chevy II Nova Recessed filter




3864812


62-67


283


car & Truck 2-bolt




3892657


64-67


302/327/350


car & Truck 2-bolt




3892659


68-69


327


2-bolt Large journal




3896944


67


283


2-bolt




3896948


66-67


283


2-bolt




3903352


67


327


2-bolt




3914635


68-73


307


car & Truck 2-bolt




3914636


68-73


307


car & Truck 2-bolt




3914638


68


327


2-bolt




3914653


68


307


2-bolt




3914660


68-69


327


car & Truck 2-bolt




3914678


68-79


302/327/350


car & Truck 2-bolt




3931174


68


307


2-bolt Truck




3932371


69-73


307


car & Truck 2-bolt




3932373


69-73


307


car & Truck 2-bolt




3932386


68-74


302-327-350


2 & 4-Bolt




3932388


68-79


350


car & Truck 4-Bolt




3932442


67


350


2-bolt Camaro




3933180


68-69


327


car & Truck Large journal 2-Bolt




3951509


70-80


400


car & Truck 2 & 4-Bolt 2-freeze plugs




3951511


70-80


400


car & Truck 2 & 4-Bolt 3-freeze plugs




3956618


68-79


302/327/350


2 & 4-Bolt




3956632


69-73


307


car & Truck 2-bolt




3959512


62-63


327


2-bolt




3970010


69-79


302/350


car & Truck 2 & 4-Bolt Most common




3970014


68-79


350


car & Truck 2 & 4-Bolt




3970020


69-73


307


car & Truck 2-bolt




3970024


69-73


307


car & Truck 2-bolt




3992386


68-69


327


car & Truck Large journal 2-Bolt




10036033






350


4-bolt Mexico cast Crate engine




10051182






350


Car and Truck 2 & 4-bolt 1 Piece Seal Passenger stick




10051184


86-up


350


Car & Truck 2 & 4-bolt Passenger stick 1-piece seal




10054727


86-up


350


Car & Truck 2-bolt Passenger stick 1-piece seal




10066036


86-up


350


Car & Truck 2 & 4-bolt Passenger stick 1-piece seal




10066038






350


2 & 4-Bolt Mexico cast Crate engine




10090511


90


350


4-bolt LT-5 ZR-1




10125327


93-up


350


Camaro/firebird 2 & 4-bolt LT-1 Reverse cooling Roller cam




10134996






400


4-bolt Bowtie Aluminum 400 Mains/Bore




10153558


91-92


350


4-bolt LT-5 ZR-1




10168588


94-96


265


2-bolt LT-1 Reverse cooling




10199001


93-95


350


4-bolt LT-5 ZR-1




10243878


96-up


305


2-bolt Vortec Roller




10243880


96-up


350


2 & 4-Bolt Vortec Roller




12550592


97-up


350


Crossbolted LS-1 Aluminum




12551364


98 & UP


365


Gen III 6.0L Iron Block. LQ-4 and LQ-9




12559378


97-up


350


Crossbolted LS-1 Aluminum




12559846


97-up


350


Crossbolted LS-1 Aluminum




12560621


97-up


350


Crossbolted LS-1 Aluminum




12560629


97-up


350


Crossbolted LS-1 Aluminum




12561168


97-up


350


Crossbolted LS-1 Aluminum




12561358


99 & UP


293/325


Gen III 4.8L and 5.3L Iron Block.




12562174


97-up


350


Crossbolted LS-1 Aluminum




12573581


98 & UP


365


Gen III 6.0L Iron Block. LQ-4 and LQ-9




12577184


98 & UP


365


Gen III 6.0L Iron Block. LQ-4 and LQ-9




14010201


80-85


305


car & Truck 2-bolt Passenger stick




14010202


80-85


305


car & Truck 2-bolt Passenger stick




14010203


80-85


305


car & Truck 2-bolt Passenger stick




14010205


80-82


267


car & Truck 2-bolt Passenger stick




14010207


80-85


350


car & Truck 2 & 4-Bolt Passenger stick




14010209


80-85


350


car & Truck 2 & 4-Bolt Passenger stick




14010280


80-82


267


car & Truck 2-bolt Passenger stick




14010287


80-82


350


2-bolt Passenger stick




14011064


80-85


350


4-bolt Passenger stick




14011148


87-89


350


2 & 4-Bolt Roller cam one piece seal




14016376


80-82


267


2-bolt Passenger stick




14016379


77-79


350


2 & 4-Bolt




14016379


77-79


267


2-bolt dipstick in pan




14016381


76-85


305


car & Truck 2-bolt Passenger stick After 79




14016382


80-85


305


2-bolt Passenger stick




14016383


80-85


305


2-bolt Truck




14079287


86-90


350


2-bolt Passenger stick one piece seal




14088526


87-89


350


2-bolt Roller cam Passenger stick 1-piece seal




14088548


86-88


350


2-bolt Truck Passenger stick 1-piece seal




14088551


86-88


305


Car & Truck 2-bolt Passenger stick 1-piece seal




14093627


87-88


305


Car & Truck 2-bolt Passenger stick 1-piece seal




14093638


87-95


350


Car & Truck 2 & 4-bolt Passenger stick 1-piece seal




14094766


86-up


305


2-bolt Passenger stick one piece seal




14101147


86-up


305


2-bolt Passenger stick one piece seal




14101148


86-up


350


2 & 4-Bolt Passenger stick 1-Piece seal Roller cam




14102058


86-88


305


Car & Truck 2-bolt Passenger stick 1-piece seal




14316379


68-88


350


Car & Truck 2-bolt Passenger stick 1-piece seal




Big Block Casting numbers


Casting Number


Years


CID


Comments




340220


72-76


427


Truck Tall deck




345014


74-86


454


Truck




346236


74-76


454


2-bolt




359070


74-90


454


Truck




361959


73-85


454


Car & Truck




364776


68-84


427


Truck Tall deck




364779


68-88


366


Truck Tall deck




399204


70-71


509


4-Bolt Aluminum Can-AM




399289


73-79


454


2-bolt




399293


77-78


366


Truck




473478


68-84


427


Truck Tall deck




3716362






396








3732755


59-61


348








3732811


58


348








3751872


58


348








3755011


59-61


348








3771705


59-61


348








3782012


58-61


348








3782870


68-76


427


Truck Tall deck




3788068


62


409








3795623


61


409








3798962


62-65


348


Truck




3815707


58-61


348








3824553


66-67


366


Truck




3830814


63


409








3839752


62-63


409








3839754


65


409








3844422


64


409








3855961


66-67


396


2-bolt




3855962


65-66


396


4-Bolt




3855977


65-67


366


Truck Tall deck




3857651






409


Marine




3857655


62-65


348


Truck




3857656


65


409








3857658






409


Marine




3860386


62-64


409








3860387


58


348








3869942


66-67


427


2 & 4-Bolt




3873858


66


396


4-Bolt




3902406


67


396


2 & 4-Bolt




3902466


65-67


396








3904351


67


427


2 & 4-Bolt




3904354


66-67


366


Truck Tall deck




3916319


68-85


366


Truck Tall deck




3916321


68


427


2 & 4-Bolt




3916323


68


396


2 & 4-Bolt




3918319


66-70


366


Truck




3925521


68-85


366


Truck Tall deck




3935439


68-69


427


2 & 4-Bolt




3935440


68-69


396


2 & 4-Bolt




3937724


68-85


366


Truck Tall deck




3937726


68-84


427


Truck Tall deck




3946052


69


427


ZL-I Aluminum 4-Bolt




3946053


97


427


ZL-I Aluminum 4-Bolt 2nd design




3955270


69


427


2 & 4-Bolt




3955272


69


396/402


2 & 4-Bolt




3955274


68-85


366


Truck Tall deck




3955276


68-84


427


Truck Tall deck




3963512


69-71


427/454


2 & 4-Bolt COPO




3963513


73-76


454








3965440


68-69


396








3965449


68-72


396








3969852


68-84


366


Truck




3969854


69-72


396/402/454


2 & 4-Bolt




3969858


68-84


427


Truck Tall deck




3995623


61


409








3999289


72-78


454


Car & Truck 2-Bolt




3999290


72


402


2-bolt




3999293


68-85


366


Truck Tall deck




3999294


68-84


427


Truck Tall deck




6272176


68-76


366


Truck




6272177


72


402


2-bolt




6272181


73-76


427


Truck




10051107






454


4-Bolt Bowtie IV Short deck




10068286


90-91


454


4-Bolt IV Short deck




10069284






427


Truck




10114182


91-95


454


4-Bolt Gen-5




10114183


91-95


366


Truck Gen-5




10114184


91-95


427


Truck Gen-5




10134366






454


4-Bolt Gen-5 Bowtie Tall deck




10185050






454


4-Bolt Gen-5 Bowtie Short deck




10237297


96-up


454


4-Bolt Vortec 7400 Gen-6




10237300


96-up


502


4-Bolt 4.466 bore Gen-6




12550313


91-95


454


4-Bolt Gen-5




12556110


01-up


496


4-Bolt Vortec 8100 Gen-7




14015445


75-90


454


Car & Truck




14015543


87-90


454


4-Bolt Gen-5




14044807






454


4-Bolt IV Bowtie Tall deck




14096859






502


4-Bolt Gen-5




24502504






454


4-Bolt Gen-5 Bowtie Short deck




24502572










4-Bolt DRCE-2 Olds "9.5"" deck"





Crankshaft Identification


Use these casting numbers to identify the crankshaft you have.
Small Block Casting numbers


Casting Number


CID


Years


Journals


Stroke


Comments




1130


307/327


68-73


2.45/2.10


3.25


Nodular Iron




1178


302






2.45/2.10


3


Forged




1181


305/350


68-76


2.45/2.10


3.48


Nodular Iron




1182


350






2.45/2.10


3.48


Forged




2680


327






2.30/2.00


3.25


Forged




2690


350






2.45/2.10


3.48


Forged




3279


302


68-69


2.45/2.10


3


Forged




4577


327


62-67


2.3/2.0


3.25


Nodular Iron




4672


307/327


68-73


2.45/2.10


3.25


Nodular Iron




310514


350


77-85


2.45/2.10


3.48


Nodular Iron




330550


350


73-75


2.45/2.10


3.48


Forged




354431


262


75-76


2.45/2.10


3.1


Nodular Iron




3727449


283


57-67


2.3/2.0


3


Forged




3729449


265


55-57


2.3/2.0


3


Forged




3734627


327


62-67


2.3/2.0


3


Forged




3735236


265/283


55-67


2.3/2.0


3


Forged




3735263


283


57-63


2.3/2.0


3


Forged




3782680


327


62-67


2.3/2.0


3.25


Forged




3814671


327






2.30/2.00


3.25


Forged




3815822


265/283


55-67


2.3/2.0


3


Forged




3835236


283


57-65


2.3/2.0


3


Forged




3836266


265/283


56-63


2.3/2.0


3


Forged




3849847


283


57-67


2.3/2.0


3


Forged




3876764


283


64-67


2.3/2.0


3


Nodular Iron




3876768


283


64-67


2.3/2.0


3


Nodular Iron




3884577


327






2.30/2.00


3.25


Forged




3892690


350


68-85


2.45/2.10


3.48


Forged




3911001


307/327


68-73


2.45/2.10


3.25


Nodular Iron




3911011


307/327


68-73


2.45/2.10


3.25


Nodular Iron




3914672


327






2.45/2.10


3.25


Forged




3923279


302






2.45/2.10


3


Forged




3932442


305/350


69-85


2.45/2.10


3.48


Nodular Iron




3941174


307/327


68-73


2.45/2.10


3.25


Nodular Iron




3941178


302


68-69


2.45/2.10


3


Forged




3941182


350


68-76


2.45/2.10


3.48


Forged




3941188


350






2.45/2.10


3.48


Forged




3949847


283


64-67


2.3/2.0


3


Nodular Iron




3951130


327






2.45/2.10


3.25


Forged




3951529


400


70-80


2.65/2.10


3.75


Nodular Iron




10106122


350


90-95


2.76/2.10


3.66


Forged LT-5 ZR-1




10168568


265






2.45/2.10


3


Cast One Piece Seal




12552216


346






2.558/2.10


3.62


Cast LS-1 One Piece Seal




14088526


305


1986


2.45/2.10


3.48


Nodular Iron One piece seal




14088532


350


86-88


2.45/2.10


3.48


Forged One piece seal




14088535


305/350


86 & UP


2.45/2.10


3.48


Nodular Iron One piece seal




14088552


350


86 & UP


2.45/2.10


3.48


Forged One piece seal






























Big Block Crankshaft


Casting Number


CID


Years


Journals


Stroke


Comments




3520


454






2.75/2.20


4


Forged




3521


454


70-88


2.75/2.20


4


Forged LS-6




3524


454






2.75/2.20


4


Forged




6223


366/396/402/427


68-76


2.75/2.20


3.76


Forged




7115


366/396/402/427


65-76


2.75/2.20


3.76


Forged




7416


454


70-88


2.75/2.20


4


Forged




7463


454






2.75/2.20


4


Forged




336782


454






2.75/2.20


4


Cast




353039


454


70-88


2.75/2.20


4


Nodular Iron




353638


454






2.75/2.20


4








359730


454






2.75/2.20


4








3732692


348






2.75/2.20


4








3732692


348


1958


2.50/2.20


3.25


Forged




3733223


409


62-65


2.50/2.20


3.5


Forged




3733223


348






2.50/2.20


3.25


Forged




3733226


348






2.50/2.20


3.25


Forged




3733226


348


1958


2.50/2.20


3.25


Forged




3741640


348






2.50/2.20


3.25


Forged




3741640


348


59-61


2.50/2.20


3.25


Forged




3741642


348






2.50/2.20


3.25


Forged




3741642


348


59-61


2.50/2.20


3.25


Forged




3788072


409


1961


2.50/2.20


3.5


Forged




3788072


409






2.50/2.20


3.5


Forged




3795589


409


61-62


2.50/2.20


3.5


Forged




3795589


409






2.50/2.20


3.5


Forged




3804816


366/396/402/427


61-76


2.75/2.20


3.76


Nodular Iron




3815822


348


58-61


2.50/2.20


3.25


Forged




3815822


348






2.50/2.20


3.25


Forged




3824553


348


58-61


2.50/2.20


3.25


Forged




3824553


348






2.50/2.20


3.25


Forged




3829027


409






2.50/2.20


3.5


Forged




3829027


409


1963


2.50/2.20


3.5


Forged




3837466


409/427






2.50/2.20


3.65


Forged Z-11Special performance




3837466


409


1963


2.50/2.20


3.5


Forged Z-11




3838416


409


64-65


2.50/2.20


3.5


Forged




3838416


409






2.50/2.20


3.5


Forged




3856223


396/402


65-71


2.75/2.20


3.76


Nodular Iron




3863114


402






2.75/2.20


3.76








3863144


366/396/402


68-85


2.75/2.20


3.76


Forged




3874874


366/396/402/427


66-85


2.75/2.20


3.76


Forged




3879621


427






2.75/2.20


3.76


Forged




3882841


396






2.75/2.20


3.76


Forged




3882842


366/396/427






2.75/2.20


3.76


Forged




3882849


366/396/427






2.75/2.20


3.76


Forged




3887114


396






2.75/2.20


3.76


Forged Special performance




3904815


366/396/402/427


65-76


2.75/2.20


3.76


Nodular Iron




3962523


454






2.75/2.20


4


Forged




3963521


454






2.75/2.20


4


Forged Special performance




3963524


454


70-72


2.75/2.20


4


Forged




3965746


NA






NA


NA


Semi finished Forged crank




3965753


NA






NA


NA


Semi finished Forged




3967416


454


70-71


2.75/2.20


4


Forged




3967463


454


70-88


2.75/2.20


4


Forged




3975495


454






2.75/2.20


4








3975945


454






2.75/2.20


4








3993804


NA






NA


NA


Raw Forged crank




3993878


454






2.75/2.20


4


Forged




10051169


NA






NA


NA


Raw Forged




10114186


427






2.75/2.20


3.76


Forged




10114187


396






2.75/2.20


3.76


Cast




10114188


454






2.75/2.20


4


Cast One Piece Seal




14097044


454/502






2.75/2.20


4


Forged One Piece Seal





Cylinder Head ID


Use these casting numbers to identify the heads you have.
Small Block Casting numbers


Casting Number


CID


Years


Valves


Comments




10065202


350


82-86


1.94/1.50


76cc




10065203


350


82-86


1.94/1.50


76cc




10065204


350


82-86


1.94/1.50


76cc




10065205


305


82-86


1.84/1.50


58cc




10065206


350


82-86


1.94/1.50


76cc




10065207


305


82-86


1.84/1.50


58cc




10088113


350


86-92


1.94/1.50


58cc Corvette Aluminum




10120928


350


87-94


1.94/1.50


76cc




10125320


350


94-96


2.00/1.55


Gen II LT1 cast iron version,




10128374


350


92-97


2.00/1.55


Gen II LT1 53 CC angle plug aluminum




10134363














Bowtie High Port 60 CC 210 ~ 258 CC




10159550


350


87-94


1.94/1.50


76cc




10159551


305


87-94


1.84/1.50


58cc




10159552


350


87-94


1.94/1.50


76cc




10159553


305


87-94


1.84/1.50


58cc




10185040














Splayed vavle head 45 CC angle plug




10205245


350


93


2.00/1.55


Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports




10207643


350


94-97


2.00/1.55


Gen II LT1 angle plug aluminum reverse flow cooling 175/68cc ports




10208890


265


94-96


2.00/1.55


Gen II L99 4.3 Liter V-8, cast iron, reverse flow




10215339


346


97


2.00/1.55


Gen III LS1 aluminum 68cc




10239906


305/350


96-up


1.94/1.50


68cc Vortec




12367713










2.00/1.55


GM Fast burn 62 CC 210 CC intake runner angle plug Vortec




12480005


346


0


2.125/1.625


Gen III LS1 "GTZ" aluminum 38cc angle plug




12480011














SB2.2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads.




12480034










2.02/1.60


Bowtie Phase III 64cc Angle plug 184 cc intake runner




12506450


350


87-94


1.94/1.50


76cc




12509859


305


87-94


1.84/1.50


58cc




12516852


350


87-94


1.94/1.50


76cc




12551561


350


96


2.00/1.55


Gen II LT1 angle plug aluminum reverse flow cooling




12552520


305


97-99


1.84/1.5


Vortec Truck L-35




12554290


350


94-96


2.00/1.55


Gen II LT1 cast iron version




12555690


350


96


2.00/1.55


Gen II LT-4 55 CC 195 CC intake runner Angle Plug




12555690


350


96


2.00/1.55


Gen II LT-4 55 CC 195 CC intake runner Angle Plug




12556743


325


99 & UP


2.00/1.55


Gen III 5.3L aluminum truck and van




12558059


305


97


1.84/1.5


L-35 Vortec truck




12558062


350


98


1.94/1.5


L-31 Vortec truck 64cc chambers 170cc intake port




12558062


305/350


96-up


1.94/1.50


68cc Vortec




12558806


346


97-98


2.00/1.55


Gen III LS1 aluminum 68cc




12559853


346


99 & UP


2.00/1.55


Gen III LS1 aluminum 68cc




12559895


325


00 & UP


2.00/1.55


Gen III 5.3L aluminum




12564241


346


00 & UP


2.00/1.55


Gen III LS1 aluminum 68cc




12564243


346


2


2.00/1.55


Gen III LS6 aluminum 68cc




12564243


346






2.00/1.55


Gen III LS-6 vette head 65 CC




14008856


267


79-81


1.71/1.50








14010201


305


82-85


1.84/1.50


58cc




14011034


350


80-up


2.02/1.60


64cc Bowtie




14011049


350


82-up


2.02/1.60


64cc Bowtie Aluminum




14014415


267/305


80-85


1.71/1.50


64cc Crack prone




14014416


267/305/350


80-86


1.84/1.50


64cc Crack prone




14019821


350


80-86


1.84/1.50


76cc




14019924


267


79-81


1.71/1.50








14019926


305


80-86


1.84/1.50








14020516


305/350


80-86


1.84/1.50








14020517


350


80-86


1.84/1.50


76cc




14020555


305


81












14020556


350


81












14022206


350


80


1.94/1.50


76cc




14022301


305


80-86


1.84/1.50


58cc




14022601


267/305


79-86


1.72/1.50 1.84/1.50


58cc




14022801


305


80-86


1.72/1.50


58cc




14034806


267


78-82


1.72/1.50








14034807


305


78-82


1.72/1.50








14034808


350


80-86


1.84/1.50


76cc




14034810


350


80-86












14034811


350


80-86












14039121


305


81-86












14039122


305


81-86












14071114


350


80-86












14075381


350


80-86












14079261


350


82-85












14085844


350


80-86












14089119


350


80-86












14096217


350


90-up


1.94/1.50


64cc Crate heads




14101081


305


87-94


1.84/1.50


58cc




14101083


350


88-94


1.94/1.50


64 cc




14102187


305


87-95


1.84/1.50


58cc




14102191


305/350


87-95


1.84/1.50








14102193


305/350


87-95


1.84/1.50








24502559






96-97






Bowtie SB2 1st design"mirror ports" aluminum




25534351C










2.00/1.55


Vortec Bowtie 65 CC 175 cc intake runner




25534371C










2.00/1.55


Vortec Bowtie 65 CC 206 cc intake runner




3238882


350


68-69


1.94/1.50


76cc




3297185


307/327/350


57-67


1.72/1.50








330545


350/400


71-75


2.02/1.60


76cc




330862


400


71-73


1.94/1.50








333881


350


71-76


2.02/1.60


76cc




333882


350/400


70-80


1.94/1.50


76cc




340292


350


73-80


2.02/1.60


64cc Angle plugs turbo' head No heat riser




354434


262/305


75-80


1.72/1.50


60cc




358741


262/305


71--79


1.72/1.50








359944


350


71-79


1.94/1.50


76cc




3636839


265


55


1.72/1.50








3703523


265


55


1.72/1.50


195HP




3713358


265


55-56


1.72/1.50








3713569


265


55-56


1.72/1.50








3725306


265


56


1.72/1.50


210HP Corvette




3731262


265


56


1.72/1.50


Dual Quad Corvette




3731539


283


57-66


1.72/1.50


283HP Corvette




3731544


265/283


55-61


1.72/1.50


Dual Quad Corvette




3731554


265/283


55-63


1.72/1.50








3731556


283


57


1.72/1.50








3731762


265


56


1.72/1.50


Dual Quad Corvette




3737775


283/327


62-67


1.72/1.50








3740997


283


57


1.72/1.50


Dual Quad FI & 4-brl 220-270HP




3743056


283


58


1.72/1.50








3743096


327


62-67


1.72/1.50








3747363


265


57-62


1.72/1.50








3748056


327


62-67


1.72/1.50








3748720


283


57-58


1.72/1.50


Dual Quad FI & 4-brl Corvette




3748770


283


55-62


1.72/1.50


Dual Quad FI & 4-brl Corvette




3748772


283


57-62


1.72/1.50


Dual Quad FI & 4-brl Corvette




3755537


283


57-62


1.72/1.50








3755538


283


59


1.72/1.50


250-290HP FI Corvette




3755539


283


58-62


1.72/1.50








3755549


283


57-62


1.72/1.50








3755550


283


57-62


1.72/1.50


Dual Quad FI & 4-brl Corvette




3755585


327


62-67


1.72/1.50








3755896


283


62-64


1.72/1.50








3760116


283


59


1.72/1.50


Dual Quad FI & 4-brl Corvette




376445


350


80-84


1.72/1.50








376450


262/305


75-76


1.72/1.50








376495


350


Jun-79


1.94/1.50


76cc




3767460


265/283/327


55-67


1.72/1.50


Car & Truck Corvette




3767462


327


62-67


1.72/1.50








3767465


283


60-61


1.72/1.50


Dual Quad FI & 4-brl Corvette




3767754


283


60-61


1.72/1.50








3767792


283


60-67


1.72/1.50








3770126


327/350


67-70


1.94/1.50








3773012


265


55


1.72/1.50








3774634


327


64-67


1.72/1.50








3774682


283/327


60-67


1.72/1.50








3774684


283/327


57-67


1.72/1.50








3774690


283


58


1.72/1.50


FI Corvette




3774692


283


58-64


1.72/1.50


Dual Quad FI & 4-brl Corvette




3782461


302/327/350


61-70


1.94/1.50


Dual Quad FI & 4-brl Corvette 2.02/1.60 Doubble humps 64cc




3782462


327


67


1.94/1.50


Corvette 2.02/1.60




3792563


327


65-67












3795896


283/307/327


58-72


1.72/1.50


60cc




3796896


283


64-67


1.72/1.50


60cc Chevy II




3798996


327


63-67












3814462


350


67


1.94/1.50








3814480


283/327


60-67


1.72/1.50








3814482


327


62-67


1.72/1.50








3817680


283


59


1.72/1.50


FI 4-brl




3817681


327


62-67


1.72/1.50








3817682


283


61-62


1.72/1.50








3836839


265


55


1.72/1.50








3836842


283/327


57-67


1.72/1.50








3836924


283


63-64


1.72/1.50








3836942


283


58-62


1.72/1.50








3837063


283


58-62


1.72/1.50








3837064


265/283


56-62


1.72/1.50








3837065


265


55-56


1.72/1.50








3837775


283/327


62-67


1.72/1.50








383882


400


71-73












3848720


283


57-58


1.72/1.50








3849820


327


65


1.72/1.50








3854520


283/327


62-67


1.72/1.50








3867802


283


57-60


1.72/1.50


FI Corvette




3873064


265


56-57


1.72/1.50








3876487


350


71-73


1.94/1.50


76cc




3876775


283/327


57-67


1.72/1.50


76cc




3878775


327


64-67


1.72/1.50








3884520


283/327


60-67


1.72/1.50


60cc




3890462


302/327/350


62-68


1.94/1.50 2.02/1.60


64cc Doubble humps




3891462


302/327/350


62-67


1.94/1.50 2.02/1.60


64cc




3891492


327


64-67


1.94/1.50








3911011


327


68












3911032


307/327


68-70


1.72/1.50


70cc




3912264


283


58-62


1.72/1.50








3912265


283


63-64


1.72/1.50








3912291


302/327/350


68-70


1.94/1.50 2.02/1.60


64ccDoubble humps




3912311


350


67


1.94/1.50








3912313


327


65-73


1.72/1.50








3917264


302


67


2.02/1.60


64cc Z-28




3917290


327


68-70


1.72/1.50








3917291


302/327/350


62-69


1.94/1.50 2.02/1.60


64cc Doubble humps




3917292


327


67-68


1.94/1.50








3917293


307/327


68-69


1.72/1.50


76cc




3921175


327


66


1.94/1.50








3923441


350


67-76


1.94/1.50


76cc




3927185


307/327/350


68-79


1.72/1.50


70cc




3927186


302/327/350


68-72


1.94/1.50 2.02/1.60


64cc Doubble humps Bolt holes




3927187


302/350


69-70


2.02/1.60


64cc Corvette




3927188


307/327/350


69


1.72/1.50


76cc




3928454


307


68


1.72/1.50








3928455


302/327


68


2.02/1.60


64cc 325 & 350HP




3928494


327


68


2.02/1.60


64cc 350HP 4-brl




3928495


327


68


1.72/1.50








3931633


307


68-73


1.72/1.50








3931635


350


68-76


1.94/1.50


76cc




3931637


327


68-69












3931638


327


68


1.72/1.50








3931639


302


68


2.02/1.60


64cc




3932441


327/350


67-79


1.94/1.50


76cc




3932454


307/350


68-799


1.72/1.50


76cc




3933148


350


68-73






76cc




3941174


327


68


1.72/1.50








3946812


350


69


1.72/1.50








3946813


350


69-79






76cc




3947014


350


68-70












3947040


302/327/350


68-70


1.94/1.50 2.02/1.60


64cc




3947041


302/327/350


68-79


1.94/1.50 2.02/1.60


64cc




3951598


400


70-71


1.94/1.50


76cc




3961598


400


70-76


1.94/1.50


76cc




3964286


350


68-77


1.94/1.50


76cc




3970126


327/350


67-79


1.72/1.50








3973195


400


71-73


1.94/1.50


76cc




3973414


327/350


64-70


2.02/1.60


64cc Z-28 LT-1 corvette




3973487


350


68-79


1.94/1.50 2.02/1.60


76cc




3973487X


350


68-73


1.94/1.50 2.02/1.60


76cc X cast 10cc's




3973493


400


70-76


1.94/1.50


76cc




3986316


350


71-72


2.02/1.60


76cc




3986330


350


69-79


1.94/1.50


76cc




3986339


307/350


68-79


1.72/1.50


76cc




3986388


350


68-79


1.72/1.50


76cc




3990941


307/350


68-82












3991492


327/350


68-73


1.94/1.50 2.02/1.60


64cc Angle plug




399380


400


70-73






76cc




3997417


307


71


1.72/1.50








3998916


350/400


72-75


2.02/1.60


76cc




3998920


350


72-75


1.94/1.50


76cc




3998991


307/350


68-79


1.72/1.50


76cc




3998993


307/350


68-79


1.71/1.50 1.94/1.50


76cc




3998997


350/400


71-73


1.94/1.50


76cc




426424


305/350/400


72-82


1.72/1.50








458624


350


69-84


1.94/1.50


76cc




460703


350


78-80


1.94/1.50


76cc




462614


305/350


77-79


1.72/1.50








462624


350


76-87


1.94/1.50 2.02/1.60


76cc Crack prone




464033


350


76-86


1.94/1.50


76cc




464036


350


76-86


1.94/1.50


76cc




468642


350/400


75-84


1.72/1.50








471513


267


79-81


1.72/1.50








472424


305


76-79


1.72/1.50








474213


305


78-82


1.72/1.50








474214


350


78-82


1.94/1.50


76cc




475590


400


78-82


1.94/1.50


76cc




517513


267


79-81


1.72/1.50








6259515


350


73












6260855


350


73-75


1.94/1.50


76cc




6260856


350


73-76


1.94/1.50


76cc




6272070


350


73












10045427














Pontiac/Chevy Aluminum, 91cc chamber Large Rectangle Port




10049875














Pontiac/Chevy Aluminum Small Rectangle port




10051128


454


90-94


2.19/1.88


72cc Bowtie Aluminum Rectangular port 400cc intake




10052902


427










Oval Port Open chamber




10101136


454


91-94


2.06/1.77


Open chamber Oval port




10101140


366/427


91-01






Oval Port Closed chamber




10114156


454


91-01






Oval Port Open chamber




10121033


454


78-88


2.06/1.77


Open chamber Oval port




10141279


454


96-01






Vortec 7400 100cc chambers Oval Port




10487052


366


77-90






Oval Port Open chamber




12352783


454


79-93


2.06/1.77


Open chamber Oval port




12363391














Oval Port Bowtie Aluminum Signature Series




12363401














Rectangle Port Bowtie Aluminum Signature Series




12558162


496


01 & UP






Gen.VII Vortec 8100 8.1L truck




12560241


454


98-01






Vortec 7400 100cc chambers Oval Port




12562932


454/502


91-95






Oval Port truck crate motor 118cc chambers




12562934


502


00 & UP






GenVI Marine




14011077


454


89-94


2.19/1.88


118cc Replacement Aluminum Rectangular port 295cc intake




14025175


454


83-93


2.06/1.77


Open chamber Oval port




14044861


454


89-94


2.19/1.88


106cc Bowtie Aluminum Rectangular port 380cc intake




14081044


454


86-90


2.06/1.77


Open chamber Oval port




14081045


454


78-87






Oval Port Open chamber




14081052


366/427/454


85-87






Oval Port Open chamber




14092359


427


86-89


2.06/1.77


Open chamber Oval port




14092360


454


85-89


2.06/1.77


Open chamber Oval port




14096188


454


87-94


2.19/1.88


118cc Replacement Rectangular port 325cc intake




14097088


502


89-date


2.19/1.88


118cc Replacement Rectangular port 325cc intake GEN V




14101398


454


86-90


2.06/1.77


Open chamber Oval port




24502585














Olds/Chevy DRCE 2 Pro Stock aluminum




330864


366/427/454


70-81


2.06/1.77


Open chamber Oval port




330865


366/427/454


70-84


2.06/1.77


Open chamber Oval port




330866


366/427


68-78






Oval Port Open chamber




330867


427


68-73






Oval Port Open chamber




336768


427


73-76






Oval Port Open chamber




336781


454


73-85


2.06/1.77


113cc Oval port




343771


366/427/454


68-85


2.06/1.77


Open chamber Oval port




343772


366/427/454


76-84


2.06/1.77


Open chamber Oval port




343783


454


75-78


2.06/1.77


Open chamber Oval port




346236


454


75-87


2.06/1.77


113cc Oval port




346238


454


75-87


2.06/1.77


113cc Oval port




352625


454


70-76






Oval Port Open chamber




353049


454


70-73


2.06/1.77


113cc Oval port




366765


427/454


73-84


2.06/1.77


Open chamber Oval port




3732791


348


58












3758379


348


59-61












3759256


348


58












3767738


348


59-61












3781147


348


60-61






High Perf




3795586


409


61






360HP




3814690


409


62-64






High Perf




3819333


348/409


62-65












3830817


409


63-65






340HP




3837731


409


63






High Perf Z-11




3852583


409


65






400HP




3856206


396


65-66


2.06/1.77


98cc Oval port




3856208


396


65


2.06/1.77


109cc Z-16/L-37 Rectangular port




3856213


366


66-70


2.06/1.77


Closed chamber Oval port




3856260


396


68






Oval Port Closed chamber




3872702


396/427


66


2.06/1.77


98cc Oval port L-34/L-35/L-36




3873858


396/427


66-67


2.06/1.77


109cc L-78/L-72 Rectangular port




3876875


427


66-70


2.06/1.77


Closed chamber Oval port




3904390


396/427


66-67


2.06/1.77


98cc Oval port L-34/L-35/L-36




3904391


396/427


65-67


2.06/1.77


107cc L-78/L-71/L-72 Rectangular port




3904392


427


67


2.19/1.88


106cc L-88/L-89 Aluminum Rectangular port




3904393


366


66-68


2.06/1.77


Closed chamber Oval port




3908952


427


67






Oval Port Open chamber




3909802


396/427


66-67


2.06/1.77


100cc Oval port L-34/L-35/L-36/L-68




3917215


396/427


67-69


2.06/1.77


100cc Oval port L-34/L-35




3917219


366/427


66-70


2.06/1.77


Closed chamber Oval port




3919840


396/427


67-69


2.06/1.77


107cc L-78/L-71/L-72 Rectangular port




3919842


396/427


68-69


2.19/1.88


106cc L-88/L-89 Aluminum Rectangular port




3931063


396/427


69-70


2.06/1.77


100cc Oval port L-34/L-35




3933148


366/396/427


69


2.06/1.77


122cc Oval port




3933149


427


69-70


2.06/1.77


122cc Oval port




3935401


427


68-76






Oval Port Open chamber




3946074


396/454


69-71


2.19/1.88


118cc L-88/ZL-1 Aluminum Rectangular port




3964280


427/454


66-70


2.06/1.77


Closed chamber Oval port




3964290


396/402/427/454


69-70


2.06/1.77


100cc Oval port




3964291


396/402/427/454


69-70


2.19/1.88


108cc L-78/L-71/L-72/LS-6 Rectangular port 325cc intake




3964292


454


70


2.19/1.88


109cc LS-6 Rectangular port




3965198


396


69


2.06/1.77


Open chamber Oval port




3975950


366/427


68-70


2.06/1.77


Closed chamber Oval port




3986133


366/427


70-85


2.06/1.77


Closed chamber Oval port




3986136


366/427


70-84


2.06/1.77


Closed chamber Oval port




3993820


402/454


71


2.06/1.77


113cc Oval port




3994025


454


71


2.19/1.88


118cc LS-6 Rectangular port




3994026


454


71


2.19/1.88


118cc LS-6 Rectangular port




3999241


402/454


72


2.06/1.77


113cc Oval port




473328


366


68-85


2.06/1.77


Open chamber Oval port




6258723


454


71


2.19/1.88


118cc LS-6 Rectangular port




6272292


402/454


71


2.06/1.77


Open chamber Oval port




6272990


454


71-94


2.19/1.88


118cc Replacement Rectangular port 325cc intake





Use these casting numbers to identify the exhaust manifolds you have.


Casting Number

Years


Engine


Side


Comments



336706

74-78


350


RH







336707

74-78


350


LH







336708

74-78


350


RH







336709

74-78


350


RH


Camaro & Z-28 with A.I.R.



336710

74-78


307, 350 & 400


LH


Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R.



346222

74-80


307, 350 & 400


RH


Chevelle, Camaro, Nova and Passenger with A.I.R.



346247

75-77


262, 350 & 400


LH


Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP



346248

75-77


262, 350 & 400


RH


Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP



354432

75-76


262


RH


110 HP



354433

75-76


262


LH


110 HP



364753

76-80


307, 350 & 400


LH


Camaro, Monte Carlo, Malibu and Passenger



372243

74-83


307, 350 & 400


RH


Corvette and Replacement manifold



462697

77-79


267 & 305


LH


Monte Carlo and Malibu



462698

77-83


267 & 305


RH


Monte Carlo and Malibu



474008

78-82


267, 305 & 350


RH







745994

80-86


267 & 305


LH







3704791

55-56


265


LH


Corvette and Passenger 195 HP



3704792

55-56


265


RH


Corvette and Passenger 195 HP



3725563

56


265


LH & RH


Corvette and Passenger 210 HP 2-Bolt Flange



3731557

56


265


LH


Corvette and Passenger 225 HP



3731558

56


265


RH


Corvette and Passenger 225 HP



3732498

58


283


RH


Corvette FI



3733975

57


283


LH


Corvette and Passenger 220, 245, 250, 270 & 283 HP



3733976

57


283


RH


Corvette and Passenger 220, 245, 250, 270 & 283 HP



3737902

62-65


327


RH


300, 340, 360, 365 & 375 HP 2.5" Outlet



3746563

65


327


LH


300 HP



3747038

58-65


283 & 327


RH


Corvette and Passenger 220, 250 & 300 HP 1.9" Outlet



3747042

58-68


283, 307 & 327


RH


Corvette and Passenger 195, 200, 220, 250, 270, 275, 290, 300 & 350 HP 1.9" Outlet



3747938

64


327


LH & RH


250 & 300 HP



3747942

65


327


LH & RH


250, 350 & 365 HP



3749965

58-63


283 & 327


LH


Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP



3750556

58-65


283 & 327


RH


Corvette and Passenger 230, 245, 250, 270, 275, 290, 300 & 315 HP



3780728

64-67


327


LH


Chevy II



3790729

64-67


283 & 327


LH


195, 220, 250, 270, 275, 300 & 350 HP 2.0" Outlet Chevy II



3790730

64-65


283 & 327


RH


220, 250 & 300 HP 1.9" Outlet Chevy II



3791162

65-66


283 & 327


RH


Chevy II with AC



3791182

66-67


283 & 327


RH


Passenger with AC



3797901

62-63


327


LH


Corvette 300, 340 & 360 HP



3797902

62-65


327


RH


Corvette 300, 340, 360, 365 & 375 HP 2.5" Outlet



3797942

63-65


327


LH & RH


Corvette 300, 360, 365 & 375 HP 2.5" Outlet



3834947

64-68


283, 307 & 327


LH


Chevelle 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 2.0" Outlet



3836968

55-56


265


RH


Corvette and Passenger 195 HP



3837069

55


265


LH


Corvette and Passenger 195 HP



3840715

64


283 & 327


LH


Chevelle



3840912

64-68


283, 307, 327 & 350


RH


Chevelle, Camaro and Nova 195, 200, 210, 220, 250, 275, 295, 300, 325, 350 & 365 HP 1.9" Outlet



3846559

64-71


327 & 350


LH


Corvette 250, 270, 300 & 350 HP 2.0" Outlet



3846563

64-65


327


LH


Corvette 300, 350 & 365 HP 2.5" Outlet



3846659

66


327


LH


350 HP



3849288

64-67


283 & 327


RH


195, 220, 275 & 350 HP 1.9" Outlet Chevy II



3849290

64-67


283 & 327


RH


195, 220, 275 & 350 HP 1.9" Outlet Chevy II with AC



3855163

65-68


283, 307 & 327


LH


Passenger and Truck 195, 200, 220, 250 & 275 HP 2.0" Outlet



3872723

66-67


283 & 327


LH


195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R.



3872729

66


283 & 327


LH


Chevelle 195,220, 275 & 350 HP 2.0" Outlet A.I.R.



3872730

66-68


283, 302, 307 & 327


RH


Chevelle, Camaro & Z-28 200, 210, 220, 250, 275, 290, 325 & 350 HP 1.9" Outlet A.I.R.



3872738

66-67


283 & 327


RH


195, 220, 275 & 350 HP 1.9" Outlet Chevy II



3872741

66-68


283, 307 & 327


LH


Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R.



3872765

67-71


327 & 350


LH


Corvette 300, 330, 350 & 370 HP 2.0" Outlet A.I.R.



3872778

66-68


283, 307 & 327


RH


Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R.



3887186

66


283


RH


220 HP 1.9" Outlet



3890424

64-67


283 & 327


RH


Chevy II



3892679

66-68


283, 302, 307, 327 & 350


LH


Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet



3892683

66-68


283, 302, 307, 327 & 350


LH


Chevelle, Camaro and Z-28 195, 200, 210, 220, 250, 275, 290, 295 & 325 HP 2.0" Outlet



3893604

66-68


283 & 327


RH


Passenger A.I.R.



3893608

67-68


283, 302, 307, 327 & 350


RH


Chevelle, Camaro and Z-28 195, 200, 210, 250, 275, 290, 295 & 325 HP 1.9" Outlet



3896956

67-68


283 & 327


RH


Truck



3905364

69-72


307, 350 & 400


RH


Truck



3932376

69-70


307, 327, 350 & 400


RH


Chevelle and Camaro 200, 210, 250, 255, 265 & 300 HP 1.9" Outlet



3932461

69-74


327 & 350


LH & RH


Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R.



3932465

69-70


327, 350 & 400


RH


Passenger 235, 250, 255, 265, 300 & 350 HP 1.9" Outlet



3932469

69-70


327 & 350


LH


Passenger 235, 250, 255 & 300 HP 2.0" Outlet



3932473

69-70


327, 350 & 400


LH


Passenger 235, 250, 255, 265 & 300 HP 2.0" Outlet



3932481

69


350


RH


Corvette



3940972

67


350


RH


Camaro 295 HP



3942527

69-70


302, 307, 327 & 350


LH


Chevelle, Camaro, Z-28 and Nova 200, 210, 250, 255, 290, 300 & 360 HP 2.0" Outlet A.I.R.



3942529

69-70


302, 307, 327, 350 & 400


LH


Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet



3946826

69-70


302, 307, 327 & 350


RH


Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R.



3959562

72-74


307, 350 & 400


RH


Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R.



3973432

70-74


307, 350 & 400


RH


Chevelle, Camaro, Nova and Passenger 115, 130, 150, 165, 170, 175, 180, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet



3986330

69-73


302, 307, 327 & 350


RH


Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R.



3989036

71-75


350


LH & RH


Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R.



3989041

69-74


302, 307, 327, 350 & 400


LH


Camaro, Z-28 and Nova 115, 130, 145, 150, 160, 165, 170, 180, 185, 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 2.0" Outlet with and without A.I.R.



3989043

70-73


307, 350 & 400


LH


Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R.



3989055

69-72


307, 350 & 400


LH







3997742

71-78


307 & 350


RH


2.0" Outlet



3998902

72-78


307 & 350


RH







10045315

88-94


305 & 350


LH







10045317

88-94


305 & 350


LH







10045317

88-94


305 & 350


LH







10046123

87-92


305 & 350


LH







10046139

84-85


350


LH







10046140

84-85


350


RH







10055734

87-91


350


RH







10092901

89-91


350


LH







10092903

89-94


350


LH







10092905

89-94


350


LH







10108437

87-93


305 & 350


RH







10128448

91-93


305 & 350


LH







10128483

91-93


305 & 350


LH







10166144

91-94


350


RH







10166145

87-90


305 & 350


LH







10166147

89-94


305 & 350


LH







10166158

89-94


305 & 350


RH







10168494

94


265 & 350


LH







10207656

93-94


350


LH







10207657

93


350


RH







10433037

82-86


305


LH







12550621

94


265


RH







12550622

91


350


RH







14007400

80-86


267 & 305


LH







14014437

80-84


305


LH







14014438

80-84


305


RH







14014459

81-86


305 & 350


LH







14014500

79-86


267, 305 & 350


RH







14022625

80-81


305


LH







14031361

82-86


305


RH







14031376

81-86


350


RH







14034069

81-86


350


RH







14034075

81-86


305 & 350


LH







14043373

82-86


305


LH







14050233

83-86


305 & 350


LH







14050282

83-87


305 & 350


RH







14050287

82-86


305


LH







14057029

84-85


350


LH







14057030

84-85


350


RH







14060630

81-86


350


RH







14060633

81-86


305 & 350


LH







14067365

77-86


267, 305, 350 & 400


LH







14068667

85-88


350


LH







14068670

85-88


350


RH







14071200

83-86


305


RH







14075611

83-86


305


LH







14079295

85-86


305 & 350


LH







14079296

85-86


305 & 350


RH







14087511

86-91


350


LH







14087512

86-91


350


RH







14093653

87-90


305 & 350


LH







14093654

87-90


305 & 350


RH







14093655

87-90


305 & 350


LH







14093658

88-94


305 & 350


RH







14093660

87-90


305 & 350


RH







14093682

87-90


305 & 350


RH







14094045

87-90


305 & 350


LH







14094063

87-92


305 & 350


LH







14094064

87-92


305 & 350


RH







14094065

85-88


350


RH







14101054

87-88


305 & 350


RH







14102016

88-94


305 & 350


RH







14102018

89-94


305 & 350


RH







14103206

87-91


305 & 350


RH







14103207

87-91


305 & 350


LH







329225

73-76


454


LH


Chevelle and Passenger with and without A.I.R.



353028

73-76


454


LH


Chevelle and Passenger with and without A.I.R.



353030

73-76


454


LH


Police



3732793

58-61


348


LH


Passenger



3732794

58-61


348


RH


Passenger



3767583

59-61


348 & 409


LH


Passenger



3767584

59-61


348 & 409


RH


Passenger



3814682

62-64


409


RH


Passenger



3814683

62-64


409


LH


Passenger



3822925

62-64


409


LH


Passenger & Z-11



3822926

62-64


409


RH


Passenger & Z-11



3855161

65


409


LH


Passenger 340 & 400 HP



3855162

65


409


RH


Passenger 340 & 400 HP



3856297

65


396


LH


325 HP



3856301

65


396


LH


425 HP Corvette



3856302

65


396


RH


425 HP Corvette



3856306

65


396


RH


Passenger 325 HP



3857297

65


396


LH


Passenger 325 HP



3868874

65-66


396


RH


Chevelle 325, 360 & 375 HP Z-16



3869925

65


396


LH


Chevelle 375 HP Z-16



3872770

66


396


RH







3880827

66-69


427 & 454


LH


Corvette



3880828

66-72


427 & 454


RH


Corvette 270, 365, 390 & 425 HP with and without A.I.R. LS-5 & LS-6



3880869

70-72


454


LH


Corvette 365 & 425 HP with and without A.I.R. LS-5 & LS-6



3883827

66


427


LH


Passenger



3883828

66


427


RH


Passenger



3883999

66


396


LH


Chevelle 325, 360 & 375 HP



3884504

66-67


396 & 427


RH


Passenger 325, 385 & 390 HP



3892307

66-67


396 & 427


LH


Passenger 325 & 390 HP



3902401

67


396


LH


Chevelle



3904399

66


396


LH







3909879

67-70


396, 427 & 454


LH


Chevelle, Camaro and Nova 325, 350, 375, 425, 430 & 450 HP LS-6 COPO



3909880

67


396


RH


Chevelle and Camaro 325, 350 & 375 HP



3914613

68-70


396 & 427


LH


Passenger 265, 325, 335, 345, 390 & 425 HP



3916178

68-70


396, 427 & 454


RH


Chevelle, Camaro, Nova and Passenger 325, 350, 375, 425, 430 & 450 HP COPO LS-5 & LS-6



3969869

70-74


454


LH


Corvette 270, 365 & 390 HP with and without A.I.R. LS-5



3989310

71-72


402 & 454


RH


Chevelle, Camaro, Monte Carlo and Passenger



3989343

71-72


402 & 454


LH


Chevelle, Camaro, Monte Carlo and Passenger



3994045

73-75


454


LH


Police






Chevy Intake Manifolds

Use these numbers to identify your stock Chevy intake.


Casting Number


CID


Years


Type


Comments




10051103


350


1990


4-Brl


Aluminum Bowtie Single plane




10066013


350


87-89


TPI


Corvette Base MASS air 9th injector style Aluminum heads (86 and older)




10077151


305/350


90-92


TPI


Plenum Speed density type




10086016


305/350


90-92


TPI


Base Speed density type (87 & UP intake bolt pattern)




10108630


350


92-97


MFI


LT-1




12550631


350


96


MFI


LT-4 Power coated red




12552138


265


93-96


MFI


L-99 (lt-1 style 4.3L V-8)




14007374


305


79-82


2-Brl


Aluminum




14014432


350


1981


4-Brl


Aluminum Quadrajet Z-28




14057053


305/350


80-88


4-Brl


Aluminum Quadrajet




14081006


350


87-89


TPI


Corvette Plenum MASS air 9th injector style




14096242


350


1990


4-Brl


Holley High rise Bowtie




340261


350/400


74-76


4-Brl


Quadrajet




340266


305/350/400


73-82


2-Brl








340281


305/350


82-85


4-Brl


Quadrajet




346249


305/350/400


75-77


4-Brl


Quadrajet




346250


305/350


76-82


4-Brl


Quadrajet




346260


267/305/350


73-77


2-Brl








355943


262


1975


2-Brl








3704790


265


1955


2-Brl








3711348


265


1955


4-Brl


WCFB




3728725


265


1956


Dual Quad


Aluminum




3731394


283


56-57


Dual Quad


Aluminum




3731398


283


1957


4-Brl


WCFB




3732690


265/283


56-57


2-Brl








3732880


265/283


56-57


2-Brl








3735444


265


1956


2-Brl








3735448


265


1956


4-Brl


WCFB




373598


305


78-81


2-Brl


Aluminum




3737109


265


1956


4-Brl


WCFB




3739653


283


58-61


Dual Quad


Aluminum




3741193


283


1957


Fuel Injection


Aluminum




3746826


265/283


56-63


2-Brl








3746829


283/327


58-64


4-Brl


WCFB




3753809


283


59-62


2-Brl








3783244


327


62-63


4-Brl


WCFB




3794129


327


1963


4-Brl


Aluminum




3795397


327


1962


4-Brl


Aluminum




3799349


327


62-64


4-Brl


Carter AFB




3826810


327


63-65


Fuel Injection


Aluminum




3837109


265/283


56-57


4-Brl


WCFB




3840905


283


64-65


2-Brl








3844457


283/327


64-65


4-Brl


WCFB




3844459


327


63-65


4-Brl


Carter AFB




3844461


327


64-65


4-Brl


Aluminum




3866922


283/327


62-65


4-Brl


WCFB




3872783


283/327


66-67


4-Brl


Holley




3872788


238/327


66-67


4-Brl


Holley




3875954


327


1966


4-Brl


Carter AFB




3877652


283/327


65-67


2-Brl








3882858


283


1966


4-Brl


Carter AFB




3890490


327


66-67


4-Brl


Aluminum




3905393


327/350


1967


4-Brl


Quadrajet




3910601


327


67-68


2-Brl








3916313


307/327/350/400


69-70


2-Brl








3917610


302


67-68


4-Brl


Aluminum




3919801


307/327


1968


2-Brl








3919803


327/350


67-68


4-Brl


Quadrajet




3927183


307/327


69-70


2-Brl








3927184


350


1969


4-Brl


Quadrajet




3932472


302/350


69-70


4-Brl


Aluminum




3941126


302


68-69


Cross Ram


Aluminum base




3941130


302


68-69


Cross Ram


Aluminum top plate




3958622


307/327


69-70


2-Brl








3958626


350


69-70


2-Brl








3959594


350


71-72


4-Brl


Aluminum




3965577


350


1970


4-Brl


Quadrajet




3972110


350


1970


4-Brl


Aluminum




3972114


350


70-72


4-Brl


Aluminum




3972116


350


1970


4-Brl


Aluminum Service replacement part




3972361


350


1971


4-Brl


Aluminum




3973465


307


69-71


2-Brl








3973467


350/400


1971


2-Brl








3973469


350


1971


4-Brl


Quadrajet




3987361


350


69-70


4-Brl


Quadrajet




3990948


350


1971


2-Brl








3991004


350


1973


4-Brl


Quadrajet




3991005


307


1971


2-Brl








3997770


350


1973


4-Brl


Quadrajet




3997771


350


1973


4-Brl


Quadrajet




3997772


350


1973


2-Brl








3997773


350/400


1973


2-Brl








458520


305/350


77-82


4-Brl


Quadrajet




458520


305/350


82-87


4-Brl


Aluminum




6262928


307


1972


2-Brl








6262930


350


1972


4-Brl


Quadrajet




6262936


307


1972


2-Brl








6263751


350


1972


4-Brl


Quadrajet




6263752


350/400


1972


2-Brl








626932


350


71-72


4-Brl


Quadrajet




6271060


307


1973


2-Brl








6271061


307


1973


2-Brl








7014360


283


1957


Rochester FI








7014520


283


1957


Rochester FI








7014800


283


57-58


Rochester FI








7014800R


283


1985


Rochester FI








7014900


283


1958


Rochester FI








7014900R


283


1958-59


Rochester FI








7014960


283


1958


Rochester FI








7017200


283


59-61


Rochester FI








7017250


283


59-61


Rochester FI








7017300


283


59-60


Rochester FI








7017300R


283


1959


Rochester FI








7017310


283


60-61


Rochester FI








7017320


283


1960


Rochester FI








7017355


327


1962


Rochester FI








7017360


327


1962


Rochester FI








7017375


327


1963


Rochester FI








7017375R


327


1964


Rochester FI








7017380


327


64-65


Rochester FI








336789


454


74


Q-jet


Oval port




346242


454


75


Q-jet


Oval port




353015


454


73


Q-jet


Oval port




3732757


348


58-62


4-Brl








3749948


348


58-61


Three duce








3753748


348


60-61


Dual quad


Aluminum




3760436


348


58-59


4-Brl








3767579


348/409


61


4-Brl








3770084


348


58-59


4-Brl








3772265


348


60-61


4-Brl








3780540


348


58-59


4-Brl


Aluminum




3797775


348


59-60


4-Brl








3797776


409


61


4-Brl








3813678


409


62-63


4-Brl








3814881


409


62-64


Dual quad


Aluminum




3830623


409


63


Dual quad


Aluminum Z-11




3830831


409


63


4-Brl


340HP




3844463


409


64-65


4-Brl


400HP




3844464


409


64-65


4-Brl


340HP




3844472


348/409


62-65


4-Brl








3856289


396


65-66


Q-jet


Oval port L-35




3866948


396/427


66-67


Holley


Oval port L-34/L-35




3866963


396


65


Holley


Rectangular port Aluminum L-37




3883984


396/427


66-68


Q-jet


Oval port L-35/L-36




3885069


396/427


66-68


Holley


Rectangular port Aluminum L-78/L-72




3886093


427


67


Holley


Rectangular port Aluminum L-88




3894374


427


67


Three duce


Rectangular port Aluminum L-71




3894382


427


67


Three duce


Oval port Aluminum L-68




3919849


427


68


Q-jet


Oval port Aluminum L-36




3919850


427


68


Three duce


Oval port Aluminum L-68




3919852


427


68


Three duce


Rectangular port Aluminum L-71




3919878


396/427


68


Holley


Rectangular port Aluminum L-78/L-72




3931067


396/427


69


Q-jet


Oval port L-35/L-36




3933163


396/427


68-69


Holley


Rectangular port Aluminum L-78/L-89 COPO




3933198


427


68-69


Holley


Rectangular port Aluminum L-88/ZL-1




3937793


427


68


Q-jet


Oval port Aluminum L-36




3937795


427


69


Three duce


Oval port Aluminum L-68




3937797


427


69


Three duce


Rectangular port Aluminum L-71




393841


454


73-75


Q-jet


Oval port




3947801


427


69


Q-jet


Oval port Aluminum L-36




3952900


396


69


2-Brl


Oval port




3955287


402/454


70-71


Q-jet


Oval port LS-3/LS-5




3963569


396/402/454


70-71


Holley


Rectangular port Aluminum Low rise L-78/L-89/LS-6




3967474


454


71


Holley


Rectangular port Aluminum




6263753


402/454


72


Q-jet


Oval port LS-3/LS-5




6269318


454


72


Holley


Rectangular port Aluminum