Description
| Bore – Actual: | 3.681 |
| Bore – Oversize: | .020 |
| Compression Height: | 1.168 |
| Compression Ratio – Actual: | 11.0:1 @ 57cc |
| Displacement: | 311 |
| Dome Volume: | 0.9 |
| Material Type: | 2618 |
| Piston Pin Diameter: | 0.866 |
| Ring Set Recommended: | JG1008-3681 |
| Rod Length: | 5.933 |
| Stroke: | 3.650 |
