| Engine Family | Small Block Chevy 18° |
|---|---|
| CID/Ltr | 389/6.4 |
| Bore Inch | 4.135 |
| Bore mm | 105.03 |
| Stroke Inch | 3.625 |
| Stoke mm | 92.08 |
| Rod Length | 6.000 |
| Comp Dist | 1.187 |
| Crown Volume | 6cc |
| CR 1 | 15.4 @ 52cc |
| CR 2 | 14.7 @ 55cc |
| CR 3 | 14.0 @ 58cc |
| Alloy | 2618 |
| Weight | 495 |
| Pin | 0.927 |
| Oil Rails Included | Yes |
| Top Ring | 1.5mm |
| 2nd Ring | 1.5mm |
| Oil Ring HT | 3.0mm |
| Piston Style | Dome |
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