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The Wiseco Professional Series forged Big Block piston set for drag and nitrous applications features a 4.600 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 offer precision ring grooves, anti-detonation design, ArmorGlide skirt coating and forced-pin oiling, with premium rings for severe-duty racing.
Wiseco Chevy BB DRAG NITROUS 1.270CH Piston Shelf Stock Kit
