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Wiseco Professional Series forged pistons for Chevrolet Big Block (4.630 in. bore) are specified for severe duty applications and supplied as a set of eight with a 1.120 in. compression height. Forged from 2618 aluminum and machined in the USA, they include precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for seizure resistance, and fully machined crowns for race-level durability.
Wiseco 4.630 Big Block Chevy Quick 16 Severe Duty +42cc Dome 1.120CH Piston Set
