Description
| Block Height: | 9.240 |
| Bore – Actual: | 4.075 |
| Bore – Oversize: | .010 LS3 |
| Compression Height: | 1.165 |
| Compression Ratio – Actual: | 12.2:1 @ 70cc |
| Cylinder Head: | GM LS1 15 DEG |
| Displacement: | 407 |
| Dome Volume: | 7.2 |
| Piston Head Type: | Dome |
| Piston Pin Diameter: | 0.927 |
| Ring Set Recommended: | JG3108-4075-5 |
| Rod Length: | 6.125 |
| Stroke: | 3.900 |
| Weight – Nominal: | 431 |
