| Engine Family | Oldsmobile 455 |
|---|---|
| CID/Ltr | 461/7.6 |
| Bore Inch | 4.155 |
| Bore mm | 105.54 |
| Stroke Inch | 4.250 |
| Stoke mm | 107.95 |
| Rod Length | 6.735 |
| Comp Dist | 1.750 |
| Crown Volume | -5cc |
| CR 1 | 12.2 @ 72cc |
| CR 2 | 11.2 @ 80cc |
| CR 3 | 10.5 @ 84cc |
| Alloy | 4032 |
| Weight | 614 |
| Pin | 0.980 |
| Oil Rails Included | N/A |
| Top Ring | 1.5mm |
| 2nd Ring | 1.5mm |
| Oil Ring HT | 3.0mm |
| Piston Style | Flat Top, two valve reliefs |
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