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Wiseco Professional Series forged single piston for Chevrolet small-block applications. This 4.040 in bore piston includes a 1.5505 in compression height and 0.927 in pin diameter, supplied as a single piston. It’s made for heavy to severe duty race builds and offers premium ring support plus robust machining for long-lasting service.
Wiseco SBC Strutted Flat Top 1.550inch CH Piston Shelf Stock
