Description
| Block Height: | 9.000 |
| Bore – Actual: | 4.140 |
| Bore – Oversize: | .015 |
| Compression Height: | 1.100 |
| Compression Ratio – Actual: | 14.1 @ 50cc |
| Cylinder Head: | Chevrolet 13 |
| Displacement: | 409 |
| Dome Volume: | -4.5 |
| Piston Head Type: | Dome |
| Piston Pin Diameter: | 0.927 |
| Ring Set Recommended: | J75008-4135-5 |
| Rod Length: | 6.000 |
| Stroke: | 3.800 |
| Weight – Nominal: | 442 |
