Description
| Block Height: | 9.780 |
| Bore – Actual: | 4.375 |
| Bore – Oversize: | .125 |
| Compression Height: | 1.395 |
| Compression Ratio – Actual: | 12.3 @ 124cc |
| Cylinder Head: | Open Chamber |
| Displacement: | 481 |
| Dome Volume: | 47.0 |
| Piston Head Type: | Dome |
| Piston Pin Diameter: | 0.990 |
| Ring Set Recommended: | J10008-4375-5 |
| Rod Length: | 6.385 |
| Stroke: | 4.000 |
| Weight – Nominal: | 622 |
