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12499104 -Chevrolet Performance Parts Hypereutectic Piston Kit - For 383 Crate Engines +.030" - Second Design Piston For Use With 12499101 & 12498772 Crate Engines Only
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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.
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