| Engine Family | Small Block Ford 302/351W 20° |
|---|---|
| CID/Ltr | 397/6.5 |
| Bore Inch | 4.040 |
| Bore mm | 102.62 |
| Stroke Inch | 3.875 |
| Stoke mm | 98.43 |
| Rod Length | 6.200 |
| Comp Dist | 1.350 |
| Crown Volume | -26cc |
| CR 1 | 10.1 @ 58cc |
| CR 2 | 9.5 @ 64cc |
| CR 3 | 8.8 @ 70cc |
| Alloy | 4032 |
| Weight | 462 |
| Pin | 0.927 |
| Oil Rails Included | N/A |
| Top Ring | 1.5mm |
| 2nd Ring | 1.5mm |
| Oil Ring HT | 3.0mm |
| Piston Style | Dish |
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