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Wiseco Professional Series forged single piston for Chevrolet small-block applications. This 4.020 in bore piston includes a 1.5505 in compression height and 0.927 in pin diameter, supplied as one piston. Engineered for heavy to severe duty race use, it comes with premium ring compatibility and precision crown machining for strength.
Wiseco SBC Strutted Flat Top 1.550inch CH Piston Shelf Stock
