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The Wiseco Professional Series forged Big Block piston set features a 4.500 in. bore, 1.270 in. compression height and 0.990 in. pin diameter, sold as a set of eight. Forged from 2618 aluminum and fully machined, these pistons include precision ring grooves, anti-detonation features, ArmorGlide skirt coating and forced-pin oiling, and are supplied with premium rings for severe-duty race use.
Wiseco Chevy BB DRAG NITROUS 1.270CH Piston Shelf Stock Kit
