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Wiseco Professional Series forged piston for Mitsubishi 4G63 engines (Evo 4–9) is a single forged piston sized to 85.00 mm bore with sport-compact specification. Machined from 2618 aluminum in the U.S., it features precision ring grooves, anti-detonation and ring-seal improvements, ArmorGlide skirt coating for seizure resistance and forced pin oiling. Built for heavy to severe duty race builds and supplied as a single piston.
Wiseco Mitsu Evo 4-9 4G63 Asymmetric Skirt Bore 85.00mm - Size STD - CR 9.5 (Single Piston)
