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12499104 - G.M. Performance Parts Hypereutectic Piston Kit - For 383 Crate Engines +.030" - Second Design Piston For Use With 12499101 & 12498772 Crate Engines Only
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
Made by "Speed Pro" for GM. Set of 8 - 4.130" pistons For use with 3.80" stroke crank only. Pistons have moly skirt coating. Pressed pins (pins included)9.1:1 compression ratio when used with 62cc head. Set of 8. These are second design pistons used in current production 383's.
- Item Requires Shipping
- 3.0 lbs.
- W4.7000” x H4.7000” x L23.7000”
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