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Wiseco Professional Series forged pistons for Chevrolet Big Block (4.630 in. bore) come as a set of eight with a 1.270 in. compression height. Intended for heavy to severe duty race builds, these pistons are forged from 2618 aluminum, machined in the USA, and feature precision grooves, ArmorGlide skirt coating for seizure resistance and reduced friction, and fully machined crowns for demanding performance applications.
Wiseco 4.630 Big Block Chevy Quick 16 +45cc Dome 1.270CH Piston Set
