Description
| Block Height: | 8.200 |
| Bore – Actual: | 4.030 |
| Bore – Oversize: | .030 |
| Compression Height: | 1.175 |
| Compression Ratio – Actual: | 9.1 @ 64cc |
| Cylinder Head: | Twisted Wedge Small Block Ford |
| Displacement: | 331 |
| Dome Volume: | -11.0 |
| Piston Head Type: | Inverted Dome |
| Piston Pin Diameter: | 0.927 |
| Ring Set Recommended: | J10008-4030-5 |
| Rod Length: | 5.400 |
| Stroke: | 3.250 |
| Weight – Nominal: | 439 |
