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Wiseco Professional Series forged piston set for Chevrolet Big Block use, delivered as a shelf stock kit with a 4.625 in. bore and a +15.6cc crown. Supplied as a set of eight with premium rings, these pistons target race and heavy-duty engine applications. Forged from 2618 aluminum and fully machined, they incorporate precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for seizure resistance and lower friction, forced pin oiling, a 1.120 in. compression height and a 0.990 in. pin diameter.
Wiseco BBC BIG CHF 3815 HEAD +15.6cc (6420B125) Piston Shelf Stock Kit
