| HE=327-cid 250-hp 10.5 compression, stick shift; four-barrel |
| HF=327-cid 300-hp 10.5 compression, stick shift, four-barrel |
| HG=327-cid 375-hp 11.0 compression, stick shift; F.I. |
| HH=327-cid 365-hp 11.0 compression, stick or special-Hi-Po stick; four-barrel |
| HI=327-cid 250-hp 10.5 compression stick shift and four-barrel |
| HJ=327-cid 300-hp 10.5 compression, stick shift; A/C |
| HK=327-cid 365-hp 11.0 compression, stick or special-Hi-Po stick; four-barrel |
| HL=327-cid 365-hp 11.0 compression, stick or special-Hi-Po stick; four-barrel |
| HM=327-cid 365-hp 11.0 compression, stick shift; four-barrel; A/C |
| HN=327-cid 375-hp 11.0 compression, stick shift; F.I. |
| HO=327-cid 250-hp 10.5 compression, F.I.; automatic |
| HP=327-cid 300-hp 10.5 compression, F.I.; automatic |
| HQ=327-cid 250-hp 10.5 compression, F.I., automatic; A/C |
| HR=327-cid 300-hp 10.5 compression, F.I.; automatic; A/C |
| HT=327-cid 350-hp 11.0 compression, stick or special-Hi-Po stick; F.I. |
| HU=327-cid 350-hp 11.0 compression, stick or special-Hi-Po stick; A/C; F.I. |
| HV=327-cid 350-hp 11.0 compression ratio, stick/special-Hi-Po stick; four-barrel |
| HW=327-cid 350-hp 11.0 compression, stick/special-Hi-Po stick; four-barrel; A/C |
| IF=396-cid 425-hp 11.0 compression, stick/special-Hi-Po stick; four-barrel |