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The Wiseco Professional Series forged piston set for Chevrolet Big Block engines features a 4.615 in. bore and 1.270 in. compression height, supplied as a set of eight. Built for heavy-duty and race applications, these pistons are forged from 2618 aluminum and include premium rings plus a 0.990 in. pin. They offer precision ring grooves, anti-detonation relief, ArmorGlide skirt coating to cut friction and resist seizure, forced pin oiling and fully machined crowns.
Wiseco Chevy Big Block 4.615in Bore 1.270in CH 48.70 CC Piston Set
