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Wiseco Professional Series forged piston set for Chevrolet Big Block installations, sized with a 4.600 in. bore and offered as a shelf stock kit with a +15.6cc crown and 1.145 in. compression height in one listed configuration. Supplied as a set of eight with premium rings for demanding builds. Built from 2618 aluminum, these pistons feature precision ring grooves, anti-detonation groove, ArmorGlide skirt coating to resist seizure and reduce friction, fully machined crowns, forced pin oiling, and a 0.990 in. pin diameter.
Wiseco BBC BIG CHF 3815 HEAD +15.6cc (6421B100) Piston Shelf Stock Kit
