| 1987-1989 | Chevrolet | Camaro | 2.8L/173 | OHV V6 | Vin "S" | Chevrolet | Cast iron heads. Camaro & Firebird. W/offset lip main seal & umbrella valve stem seals. Use new head bolts. |
| 1987-1989 | Chevrolet | S10 Blazer | 2.8L/173 | OHV V6 | Vin "R" | Chevrolet | W/rear main seal & umbrella valve stem seals. Use new head bolts. |
| 1987-1993 | Chevrolet | S10 | 2.8L/173 | OHV V6 | Vin "R" | Chevrolet | W/rear main seal & umbrella valve stem seals. Use new head bolts. |
| 1987-1989 | GMC | S15 Jimmy | 2.8L/173 | OHV V6 | Vin "R" | Chevrolet | W/rear main seal & umbrella valve stem seals. Use new head bolts. |
| 1987-1990 | GMC | S15 | 2.8L/173 | OHV V6 | Vin "R" | Chevrolet | W/rear main seal & umbrella valve stem seals. Use new head bolts. |
| 1987-1989 | Pontiac | Firebird | 2.8L/173 | OHV V6 | Vin "S" | Chevrolet | Cast iron heads. Camaro & Firebird. W/offset lip main seal & umbrella valve stem seals. Use new head bolts. |
| 1989-1991 | Isuzu | Trooper | 2.8L/2827 | OHV V6 | Vin "R" | Chevrolet | W/rear main seal & umbrella valve stem seals. Use new head bolts. |
| 1990-1995 | Chevrolet | Lumina APV | 3.1L/189 | OHV V6 | Vin "D" | Chevrolet | W/rear main seal & umbrella valveseals. Use new head bolts. |
| 1990-1994 | Oldsmobile | Silhouette | 3.1L/189 | OHV V6 | Vin "D" | Chevrolet | W/rear main seal & umbrella valveseals. Use new head bolts. |
| 1990-1992 | Pontiac | Firebird | 3.1L/189 | OHV V6 | Vin "T" | Chevrolet | Use new head bolts. |
| 1990-1995 | Pontiac | Trans Sport | 3.1L/189 | OHV V6 | Vin "D" | Chevrolet | W/rear main seal & umbrella valveseals. Use new head bolts. |
| 1991-1993 | GMC | Sonoma | 2.8L/173 | OHV V6 | Vin "R" | Chevrolet | W/rear main seal & umbrella valve stem seals. Use new head bolts. |
| 1991-1992 | Isuzu | Rodeo | 3.1L/3137 | OHV V6 | Vin "Z" | Chevrolet | W/rear main seal & premium umbrella valve stem seals. Use new head bolts. |
| 1991-1994 | Isuzu | Pickup | 3.1L/3137 | OHV V6 | Vin "Z" | Chevrolet | W/rear main seal & premium umbrella valve stem seals. Use new head bolts. |