Description
| Bore – Actual: | 4.125 |
| Bore – Oversize: | STD |
| Compression Height: | 1.000 |
| Compression Ratio – Actual: | 10.2 @ 70cc |
| Displacement: | 428 |
| Dome Volume: | -16.0 |
| Material Type: | 4032 |
| Piston Pin Diameter: | 0.927 |
| Ring Set Recommended: | JG31F8-4125-2 |
| Rod Length: | 6.000 |
| Stroke: | 4.000 |
| Weight – Nominal: | 343 |
