- Hypereutectic. 3.100 diameter recess .220 deep. Coated skirts.
| Attributes | |
| Base Number | 1540HC |
| Crown (cc) | +20.8cc |
| Crown Type | DISH |
| Eng. Disp Liters | 2.5 |
| Eng. Disp. In. | 153 |
| Engine Family | GM L4 |
| Engine Manufacturer | Pontiac |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| Oe Assembly | 10010404 |
| Oversizes | STD .020 .030 .040 .060 .065 |
| Pin Configuration | Offset |
| Pin Number | 0927x300C |
| PIN TYPE | Press |
| Ring Pack | 5/64, 5/64, 3/16 |
| Sold As | SINGLE |
| Top Land | .285 |
| Year From | 1979 |
| Year Range | 1979-1986 |
| Year To | 1986 |
| GTIN | 00800745146854 |