| Engine Family | Pontiac 428 |
|---|---|
| CID/Ltr | 433/7.1 |
| Bore Inch | 4.15 |
| Bore mm | 105.41 |
| Stroke Inch | 4 |
| Stoke mm | 101.6 |
| Rod Length | 6.625 |
| Comp Dist | 1.575 |
| Crown Volume | -5cc |
| CR 1 | 11.4 @ 72cc |
| CR 2 | 10.5 @ 80cc |
| CR 3 | 9.9 @ 84cc |
| Alloy | 4032 |
| Weight | 547 |
| Pin | 0.98 |
| 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 |
AutoTec, Pontiac 428, Flat Top, two valve reliefs, 4.150 Bore 4.000 Stroke 1.575 Comp HT
CALL TO ORDER 714-903-4362
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