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The Wiseco Professional Series forged piston for Chevrolet big block engines features a 4.625 in. bore, 1.060 in. compression height and 0.990 in. pin diameter with a +15.6cc dome profile. Sold individually for heavy duty and race applications, it ships with premium rings. Forged from 2618 aluminum in the USA, it includes precision ring grooves, an anti‑detonation groove, ArmorGlide skirt coating and forced pin oiling to improve wear resistance and reduce friction.
Wiseco BBC BIG CHIEF 3815 HEAD +15.6cc 1.060 CH Piston Shelf Stock
