- Hypereutectic. Recessed head .270 deep. Coated skirts.
Application Summary:
| Year | Make/Model |
|---|---|
| 1985-1989 | Buick Electra |
| 1985-1990 | Buick LeSabre |
| 1986-1987 | Buick Regal |
| 1985 | Buick Riviera |
| 1987-1990 | Cadillac Brougham |
| 1986 | Cadillac Fleetwood |
| 1986-1990 | Chevrolet Caprice |
| 1985-1990 | Oldsmobile Custom Cruiser |
| 1985-1987 | Oldsmobile Cutlass Salon |
| 1985-1988 | Oldsmobile Cutlass Supreme |
| 1985 | Oldsmobile Delta 88 |
| 1985 | Oldsmobile Toronado |
| 1986 | Pontiac Parisienne |
| 1987-1989 | Pontiac Safari |
| Attributes | |
| Base Number | 1639HC |
| Crown (cc) | +15.5cc |
| Crown Type | DISH |
| Eng. Disp Liters | 5 |
| Eng. Disp. In. | 307 |
| Engine Family | Oldsmobile V8 |
| Engine Manufacturer | Oldsmobile |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| Lock | 128 |
| Oe Assembly | 22527480R, 22527479L |
| Oversizes | STD .020 .030 .040 .060 |
| Pin Configuration | Offset |
| Pin Number | 0980x300B |
| PIN TYPE | Floating |
| Ring Pack | 5/64, 5/64, 3/16 |
| Sold As | SINGLE |
| Top Land | .240 |
| Year From | 1985 |
| Year Range | 1985-1990 |
| Year To | 1990 |
| GTIN | 00800745185914 |