| 1980-1981 | Pontiac | Firebird | 5L/305 | V8 | Carb and TBI. Includes premium umbrella valve stem seals. |
| 1982-1983 | Chevrolet | Camaro | 5L/305 | OHV V8 | Vin "7" | Chevrolet | Carb & TBI. Includes premium umbrella valve stem seals. |
| 1982-1983 | Pontiac | Firebird | 5L/305 | OHV V8 | Vin "7" | Chevrolet | Carb & TBI. Includes premium umbrella valve stem seals. |
| 1983 | Chevrolet | Camaro | 5L/305 | OHV V8 | Vin "S" | Chevrolet | Carb & TBI. Includes premium umbrella valve stem seals. |
| 1983 | Chevrolet | Monte Carlo | 5L/305 | OHV V8 | Vin "7" | Chevrolet | Carb & TBI. Includes premium umbrella valve stem seals. |
| 1983 | Pontiac | Firebird | 5L/305 | OHV V8 | Vin "S" | Chevrolet | Carb & TBI. Includes premium umbrella valve stem seals. |
| 1984-1985 | Chevrolet | Monte Carlo | 5L/305 | OHV V8 | Vin "G" | Chevrolet | Carb & TBI. Includes premium umbrella valve stem seals. |
| 1985 | Chevrolet | Camaro | 5L/305 | OHV V8 | Vin "F" | Chevrolet | Carb & TBI. Includes premium umbrella valve stem seals. |
| 1985 | Chevrolet | C10 | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | C10 Suburban | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | C20 Suburban | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | C20 | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | El Camino | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | G10 | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | G10 | 5L/305 | OHV V8 | Vin "F" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | G20 | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | G30 | 5L/305 | OHV V8 | Vin "F" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | K10 | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | K20 Suburban | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | K20 | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | K5 Blazer | 5L/305 | OHV V8 | Vin "H" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |
| 1985 | Chevrolet | C10 | 5L/305 | OHV V8 | Vin "F" | Chevrolet | 1st design engines with 2pc. rear main seal. With premium umbrella valve stem seals. |