Engine & Horsepower
ENGINE & HORSEPOWER
| Engine & Horsepower | Suffix Letters | |
| 283" 195 HP | (Chevy II) | PB, PD, PE, PF, PG, PL, PM, PN, PO, PP, PQ, PS, PV |
| (Chevelle) | DA, DB, DE, DI, DJ, DK | |
| (Chevrolet) | GA, GC, GF, GK, GS, GT | |
| 220 HP | (Chevy II) | QA, QB, QC, QD, QE, QF |
| (Chevelle) | EA, EB, EC, EE | |
| (Chevrolet) | HA, HB, HC, HF | |
| 300 HP | (Corvette) | HD, HE, HH, HO, HR |
| 350 HP | (Chevy II) | ZG, ZH, ZI, ZJ |
| (Corvette) | HD, HT, HK | |
| 396" 325 HP | (Chevelle) | ED, EH, EK, EM |
| (Chevrolet) | IA, IB, IC, IG, IN, IV | |
| 360 HP | (Chevelle) | EF, EJ, EL, EN |
| 427" 390 HP | (Chevrolet) | IH, II, IJ, IO |
| (Corvette) | IL, IM | |
| 425 HP | (Chevrolet) | ID |
| (Corvette) | IK, IP | |