The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. For help go to engine Code help or engine decoding FAQ.



Choose Group to View Small Block Engine Suffix Codes

Chevy Small Block Engine Suffix Codes [L-S]

Code Year CID HP BBL Appl
M 1958 283 160 2 m/t
MA 1958 283 160 2 H.D. m/t
MA 1963 283 175 2 Powerglide
MA 1967 327 210 2 manual trans.
MA 1968 327 210 2 manual trans.
MB 1958 283 160 2 m/t
MB 1968 307 200 2 manual trans.
MB 1967 327 210 2 a/c, A.I.R.
MC 1968 307 200 2 -
MC 1978 350 170 4 LM1
MD 1967 283 195 2 4 spd trans.
MD 1968 307 200 2 -
ME 1967 327 210 2 Powerglide
ME 1968 327 210 2 Powerglide
MF 1967 327 210 2 Powerglide, A.I.R.
MI 1967 283 ??? 2 Powerglide
MI 1968 302 290 4 m/t, 4 spd
MK 1967 327 275 4 manual trans
ML 1967 327 275 4 air cond.
ML 1968 327 325 4 s h/p
MM 1967 327 275 4 Powerglide
MM 1968 327 275 4 Powerglide
MN 1967 327 275 4 Powerglide, A.I.R.
MN 1968 350 295 4 -
MO 1968 302 290 4 m/t,4 spd
MO 1967 302 290 4 Spec. High Perf. 4-speed
MP 1967 283 4 A.I.R.
MP 1967 302 290 4 Z-28, w/A.I.R.
MS 1967 350 295 4 m/t
MS 1968 350 295 4 m/t
MT 1967 350 295 4 A.I.R.
MU 1967 350 295 4 Powerglide
MU 1968 350 295 4 Powerglide
MV 1967 350 295 4 glide, A.I.R
MX 1964 283 175 2 m/t
MY 1964 283 175 2 Powerglide
O3N 1978 305 135 2 LG3
O3T 1978 350 170 4 LM1
PB 1965 283 4 glide, a/c
PD 1965 283 - m/t
PE 1965 283 195 2 -
PF 1965 283 - a/c
PF 1965 283 - air conditioning
PG 1965 283 4 a/c
PH 1978 305 145 2 LG3
PK 1965 283 4 Powerglide
PL 1965 283 195 2 m/t, 4 speed
PM 1965 283 195 2 m/t, 4 speed, a/c
PN 1965 283 195 2 Powerglide
PNA 1998 346 305 TPI F, Auto, 320hp on SS
PNC 1998 346 305 TPI F, Manual, 320hp on SS
PO 1965 283 4 Powerglide
PP 1965 283 195 2 Powerglide, a/c
PQ 1965 283 195 2 a/6, Powerglide
PS 1966 283 195 2 a/c, 4 spd, A.I.R.
PU 1966 283 195 2 Pwrglide, a/c, EM
PX4 1979 305 150 2 a/t, LG3
PX6 1979 305 150 2 a/t, LG3
PXP 1979 305 150 2 a/t, LG3
PXR 1979 305 150 2 a/t, LG3
PZ 1978 305 145 2 LG3
QA 1966 283 - glide. A.I.R. a/c
QB 1966 283 4 a/c
QB 1962 327 ??? 8 -
QC 1966 283 4 A.I.R.
QE 1966 283 4 glide, A.I.R., a/c
QF 1966 283 4 A.I.R., a/c, 4 spd
R 1962 327 250 - m/t
RA 1962 327 250 m/t, a/c
RB 1962 327 300 - h/p, m/t
RC 1962 327 250 4 m/t
RD 1962 327 300 4 m/t, high perf.
RE 1962 327 340 4 m/t, spec. hi perf.
RF 1962 327 360 FI manual trans.
RK 1963 327 300 4 m/t, hi perf, a/c
RP 1964 327 250 4 m/t, a/c
RQ 1964 327 300 4 m/t a/c, hi perf
RR 1964 327 365 4 m/t, a/c, s hi perf
RT 1964 327 365 4 m/t, t/ign.
RU 1978 305 145 2 LG3
RU 1964 327 365 4 m/t, a/c, trans ign
RX 1964 327 375 FI m/t, trans ign
S 1962 327 250 - Powerglide
SA 1962 327 250 - Powerglide, a/c
SA 1963 327 250 - Powerglide, a/c
SAP 1993 350 275 TPI F, Auto, oil cooler
SAS 1993 350 275 TPI F, Manual, Oil Cooler
SAT 1993 350 275 TPI F, Manual
SAU 1993 350 275 TPI F, Auto
SB 1962 327 300 4 h/p, Powerglide
SC 1962 327 250 4 Powerglide
SD 1962 327 350 4 glide, s hi perf.
SDA 1984 305 150 4 Roch E4ME carb.
SDB 1987 305 150 4 Roch E4ME carb.
SDD 1987 305 190 TPI LB9
SDH 1984 305 150 4 Roch E4ME carb.
SDJ 1984 305 150 4 Roch E4ME carb.
SDK 1987 305 190 TPI LB9
SDN 1984 305 150 4 Roch E4ME carb.
SDR 1984 305 150 4 Roch E4ME carb.
SDU 1984 305 150 4 Roch E4ME carb.
SFD 1987 305 190 TPI LB9
SFS 1987 305 190 TPI LB9
SG 1963 327 300 4 glide, h/p, a/c
SHA 1999 346 305 TPI F, Auto, 320hp on SS
SHB 1999 346 305 TPI F, Manual, 320hp on SS
SK 1964 327 250 4 Powerglide, a/c
SL 1964 327 300 4 glide, a/c, hi perf.
SNA 1987 350 225 TPI L98, a/t
SNJ 1987 350 225 TPI L98, a/t
SR 1964 327 250 Powerglide
SRL 1987 305 190 TPI LB9
SS 1964 327 300 4 Pwrglide, hi perf.
SUF 1984 305 190 4 HO E4ME carb
SUH 1984 305 190 4 HO E4ME carb
SUI 1984 305 190 4 HO E4ME carb
SUJ 1984 305 190 4 HO E4ME carb
SXA 1984 305 190 4 HO E4ME carb
SXB 1984 305 190 4 HO E4ME carb, calif