|
Big Block Chevy Suffix Codes: IK - MZ
GM body designation. All these are identified here. Quickly, A = Chevelle, F = Camaro, X = Nova. If you're looking at the engine code - this is already known. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B".... basically this means "it's used in everything", whereas if it simply states "Y"... this means Corvette.
Abbreviations: AB = Air Brakes, AR = Air Injector Reactor, CA = California,
HD = Heavy Duty, hdc = heavy duty clutch, HP = High Performance, LP = Liquid Propane Gas,
PG = Powerglide, mt = manual trans, mt-3, 3 speed manual, SHP = Special High Performance,
TH = Turbo Hydramatic, ti = transistor ignition.
Induction is one (1) 4 barrel carburetor unless specified.
| Code |
Year |
Model |
CID |
HP |
Trans |
Application |
| IK |
1967 | Chevrolet | 427 | 425 | Mt | AR SHP |
| IK |
1968 | Chevrolet | 396 | 325 | mt-3 | Police |
| IK |
1966 | Corvette | 427 | 425 | Mt | SHP |
| IL |
1968 | Corvette | 427 | 390 | Mt | |
| IL |
1966 | Corvette | 427 | 390 | Mt | |
| IL |
1967 | Corvette | 427 | 390 | Mt | |
| IM |
1966 | Corvette | 427 | 390 | Mt | |
| IM |
1967 | Corvette | 427 | 390 | Mt | |
| IM |
1968 | Corvette | 427 | 400 | Mt | HP |
| IN |
1968 | Chevrolet | 396 | 325 | PG | Police |
| IN |
1966 | Chevrolet | 396 | 325 | TH | |
| IN |
1967 | Chevrolet | 396 | 325 | TH | AR |
| IO |
1968 | Chevrolet | 427 | 425 | Mt | SHP |
| IO |
1967 | Chevrolet | 427 | 385 | TH | AR |
| IO |
1966 | Chevrolet | 396 | 325 | TH | |
| IO |
1968 | Corvette | 427 | 400 | TH | HP |
| IP |
1966 | Corvette | 427 | 425 | Mt | SHP |
| IQ |
1968 | Corvette | 427 | 390 | TH | |
| IQ |
1966 | Corvette | 427 | 390 | PG | |
| IQ |
1967 | Corvette | 427 | 390 | PG | |
| IR |
1966 | Corvette | 427 | 390 | PG | AR |
| IR |
1968 | Corvette | 427 | 435 | Mt | SHP |
| IR |
1967 | Corvette | 427 | 390 | PG | |
| IS |
1967 | Chevrolet | 427 | 385 | TH | AR Impala SS |
| IS |
1968 | Chevrolet | 427 | 385 | TH | |
| IT |
1968 | Corvette | 427 | 435 | Mt | SHP |
| IT |
1967 | Corvette | 427 | 435 | Mt | SHP |
| IU |
1968 | Corvette | 427 | 435 | Mt | SHP |
| IU |
1967 | Corvette | 427 | 435 | Mt | SHP |
| IV |
1966 | Chevrolet | 396 | 325 | TH | |
| IV |
1968 | Chevrolet | 396 | 325 | TH | |
| IV |
1967 | Chevrolet | 396 | 325 | TH | AR |
| IV |
1965 | Chevrolet | 396 | 325 | TH | |
| IW |
1965 | Chevrolet | 396 | 325 | TH | |
| IX |
1967 | Chevrolet | 427 | 385 | Mt | AR Impala SS |
| JA |
1967 | Corvette | 427 | 435 | Mt | SHP |
| JA |
1969 | Chevelle | 396 | 325 | Mt | |
| JB |
1969 | Camaro | 396 | 325 | MT | |
| JC |
1967 | Corvette | 427 | 400 | Mt | |
| JC |
1969 | Chevelle | 396 | 350 | Mt | HP |
| JD |
1967 | Corvette | 427 | 400 | PG | |
| JD |
1969 | Chevelle | 396 | 375 | Mt | SHP |
| JE |
1969 | Chevelle | 396 | 350 | TH | HP |
| JE |
1967 | Corvette | 427 | 435 | Mt | SHP |
| JF |
1967 | Corvette | 427 | 400 | Mt | |
| JF |
1969 | Chevy II | 396 | 350 | Mt | HP |
| JF |
1969 | Camaro | 396 | 350 | Mt | HP |
| JG |
1969 | Camaro | 396 | 325 | TH | |
| JG |
1967 | Corvette | 427 | 400 | PG | |
| JH |
1969 | Chevy II | 396 | 375 | Mt | SHP |
| JH |
1967 | Corvette | 427 | 435 | Mt | SHP |
| JH |
1969 | Camaro | 396 | 375 | Mt | SHP |
| JI |
1969 | Chevy II | 396 | 350 | TH | HP |
| JI |
1969 | Camaro | 396 | 350 | TH | HP |
| JJ |
1969 | Camaro | 396 | AH | Mt | |
| JK |
1969 | Chevelle | 396 | 325 | TH | |
| JL |
1969 | Camaro | 396 | 375 | TH | SHP |
| JL |
1969 | Chevy II | 396 | 375 | TH | SHP |
| JM |
1969 | Camaro | 396 | | TH | alum hd |
| JM |
1969 | Chevy II | 396 | | TH | |
| JN |
1969 | Chevrolet | 396 | 265 | Mt | |
| JO |
1969 | Chevrolet | 396 | 265 | TH | Police |
| JP |
1969 | Chevrolet | 396 | 265 | | Police |
| JQ |
1969 | Chevrolet | 396 | 265 | TH | |
| JR |
1969 | Chevrolet | 396 | 265 | Mt | Police, hdc |
| JT |
1969 | Chevrolet | 396 | 265 | Mt | hdc |
| JU |
1969 | Camaro | 396 | 325 | Mt | |
| JU |
1969 | Chevy II | 396 | | PG | |
| JV |
1969 | Chevelle | 396 | 325 | Mt | |
| KA |
1969 | Chevy II | 396 | 350 | Mt | HP |
| KA |
1969 | Camaro | 396 | 350 | Mt | HP |
| KB |
1969 | Chevelle | 396 | 350 | Mt | HP |
| KC |
1969 | Chevy II | 396 | 375 | Mt | SHP |
| KC |
1969 | Camaro | 396 | 375 | Mt | SHP |
| KD |
1969 | Chevelle | 396 | 375 | Mt | SHP |
| KE |
1969 | Camaro | 396 | | Mt | alum hd |
| KE |
1969 | Chevy II | 396 | | Mt | |
| KF |
1969 | Chevelle | 396 | 375 | TH | SHP |
| KG |
1969 | Chevelle | 396 | | Mt | alum hd |
| KH |
1969 | Chevelle | 396 | | TH | alum hd |
| KI |
1969 | Chevelle | 396 | | Mt | alum hd |
| LA |
1969 | Chevrolet | 427 | 390 | Mt | HP |
| LB |
1969 | Chevrolet | 427 | 335 | Mt | |
| LB |
1965 | Chevrolet | 396 | 325 | PG | |
| LC |
1969 | Chevrolet | 427 | 390 | TH | HP |
| LC |
1965 | Chevrolet | 396 | 325 | TH | |
| LD |
1969 | Chevrolet | 427 | 425 | Mt | SHP |
| LE |
1969 | Chevrolet | 427 | 335 | TH | |
| LF |
1969 | Chevrolet | 427 | 390 | TH | HP Police |
| LF |
1965 | Chevrolet | 396 | 325 | Mt | |
| LG |
1969 | Chevrolet | 427 | 390 | Mt | HP Police |
| LH |
1969 | Chevrolet | 427 | 390 | Mt | HP |
| LI |
1969 | Chevrolet | 427 | 335 | TH | |
| LJ |
1969 | Chevrolet | 427 | 335 | TH | Police |
| LK |
1969 | Chevrolet | 427 | 335 | Mt | Police |
| LL |
1969 | Corvette | 427 | 390 | TH | HP |
| LM |
1969 | Corvette | 427 | 390 | Mt | HP |
| LN |
1969 | Corvette | 427 | 400 | TH | HP |
| LO |
1969 | Corvette | 427 | 430 | Mt | HD |
| LP |
1969 | Corvette | 427 | 435 | Mt | alum hd |
| LQ |
1969 | Corvette | 427 | 400 | Mt | HP |
| LR |
1969 | Corvette | 427 | 435 | Mt | SHP |
| LS |
1969 | Chevrolet | 427 | 425 | TH | SHP |
| LT |
1969 | Corvette | 427 | 435 | Mt | SHP |
| LU |
1969 | Corvette | 427 | 435 | Mt | alum hd |
| LV |
1969 | Corvette | 427 | 430 | TH | HD |
| LW |
1969 | Corvette | 427 | 435 | TH | alum hd |
| LX |
1969 | Corvette | 427 | 435 | TH | SHD |
| LY |
1969 | Chevrolet | 427 | 335 | Mt | Police |
| LZ |
1969 | Chevrolet | 427 | 390 | Mt | HP Police |
| MA |
1969 | Chevrolet | 427 | 335 | Mt | |
| MB |
1969 | Chevrolet | 427 | 390 | Mt | HP Police |
| MC |
1969 | Chevrolet | 427 | 390 | Mt | HP |
| MD |
1969 | Chevrolet | 427 | 425 | Mt | SHP |
| ME |
1969 | Corvette | 427 | 430 | Mt | |
| MG |
1969 | Corvette | 427 | 430 | at | |
| MH |
1969 | Corvette | 427 | 390 | Mt | |
| MI |
1969 | Corvette | 427 | 390 | at | |
| MJ |
1969 | Corvette | 427 | 400 | at | |
| MK |
1969 | Corvette | 427 | 400 | Mt | |
| MQ |
1968 | Chevy II | 396 | 375 | Mt | HP |
| MQ |
1968 | Camaro | 396 | 375 | Mt | |
| MQ |
1967 | Camaro | 396 | 375 | Mt | |
| MR |
1967 | Camaro | 396 | 375 | Mt | |
| MR |
1968 | Chevy II | 396 | 350 | TH | HP |
| MR |
1968 | Camaro | 396 | 350 | TH | |
| MR |
1969 | Corvette | 427 | 430 | Mt | |
| MS |
1969 | Corvette | 427 | | | Questionable |
| MT |
1968 | Camaro | 396 | 375 | Mt | |
| MW |
1968 | Camaro | 396 | 325 | Mt & at | |
| MW |
1967 | Camaro | 396 | | Mt | |
| MX |
1968 | Camaro | 396 | 350 | Mt | |
| MX |
1967 | Camaro | 396 | | | AR |
| MX |
1968 | Chevy II | 396 | 350 | Mt | HP |
| MY |
1967 | Camaro | 396 | 325 | TH | |
| MY |
1968 | Camaro | 396 | 325 | TH | |
| MZ |
1967 | Camaro | 396 | 325 | TH | |
|