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Wiseco Professional Series forged piston set for Mitsubishi 4G63T engines is sized to 86.50mm bore with +.060 oversize and a 10.5:1 compression ratio, sold as a set of four. Built from 2618 aluminum forgings in the USA, these pistons include precision ring grooves, anti-detonation features and ArmorGlide skirt coating for seizure resistance, making them suitable for heavy-duty race and high-output builds.
Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 86.50mm - Size +.060 -CR 10.5:1 Piston Set
