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Wiseco single forged piston for Mitsubishi 4G63 Evo (85.50 mm bore, +0.020 size) is a Professional Series race piston engineered for heavy-duty use. Forged and machined in the USA from 2618 aluminum, it features precision ring grooves, an anti-detonation groove, ArmorGlide skirt coating for reduced friction, and forced pin oiling to support severe-duty performance applications.
Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 85.50mm-Size +.020 - CR 10.5 SINGLE PISTON
