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Wiseco Professional Series forged pistons for Mitsubishi 4G63T applications (Evo 4–9) are machined from 2618 aluminum for high tensile strength and supplied as a set of four. Features include precision ring grooves, anti-detonation groove, ArmorGlide skirt coating for seizure resistance and reduced friction, fully machined crowns, and forced pin oiling—built for heavy to severe duty race and high-stress builds.
Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 85.00mm - Size Std - CR 10.5 Piston Set
