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Wiseco Professional Series forged piston set for Mitsubishi 4G63T engines (Evo 4–9) is built for heavy-duty race applications. Forged from premium 2618 aluminum with ArmorGlide skirt coating, these pistons include precision ring grooves, an anti-detonation groove and forced pin oiling. Fully machined crowns and supplied rings provide durability and seal improvements for high-stress builds.
Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 85.50mm - Size +.020 - CR 10.5 Piston Set
