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The Wiseco Professional Series forged piston set for Chevrolet big-block builds is aimed at serious racing and high-load engines. This eight-piston set lists a 4.500 in. bore, 1.270 in. compression height and 0.99 in. pin diameter, and ships with premium rings. Forged from 2618 aluminum, it features ArmorGlide skirt coating, precision ring grooves, an anti-detonation groove, fully machined crowns and forced pin oiling for added durability.
Wiseco Chevy BB DRAG 1.270inchCH (6240AS) Piston Shelf Stock Kit
