| Engine Family | AMC 390,401 |
|---|---|
| CID/Ltr | 393/6.4 |
| Bore Inch | 4.185 |
| Bore mm | 106.30 |
| Stroke Inch | 3.574 |
| Stoke mm | 90.78 |
| Rod Length | 5.858 |
| Comp Dist | 1.553 |
| Crown Volume | -20cc |
| CR 1 | 10.6 @ 54cc |
| CR 2 | 10.2 @ 58cc |
| CR 3 | 9.9 @ 60cc |
| Alloy | 4032 |
| Weight | 570 |
| Pin | 1.000 |
| Oil Rails Included | N/A |
| Top Ring | 1/16" |
| 2nd Ring | 1/16" |
| Oil Ring HT | 3/16" |
| Piston Style | Dish |
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