Description
| Block Height: | 9.240 |
| Bore – Actual: | 4.125 |
| Bore – Oversize: | STD LS7 |
| Compression Height: | 1.304 |
| Compression Ratio – Actual: | 12.2:1 @ 70cc |
| Cylinder Head: | GM LS1 15 DEG |
| Displacement: | 387 |
| Dome Volume: | 8.4 |
| Piston Head Type: | Dome |
| Piston Pin Diameter: | 0.927 |
| Ring Set Recommended: | JG31F8-4125-2 |
| Rod Length: | 6.125 |
| Stroke: | 3.622 |
| Weight – Nominal: | 475 |
