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 for CID 302

Code Year CID HP BBL Appl
CNA 1970 302 290 4 manual trans.
CNB 1970 302 290 4 tur hydramatic
DZ 1968 302 290 4 Z-28, late prod
DZ 1969 302 290 4 m/t, 4 spd
MI 1968 302 290 4 m/t, 4 spd
MO 1968 302 290 4 m/t,4 spd
MO 1967 302 290 4 Spec. High Perf. 4-speed
MP 1967 302 290 4 Z-28, w/A.I.R.