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Wiseco Professional Series forged piston set for Mitsubishi 4G63T (Evo 4–9) features asymmetric skirts, an 87.00 mm bore and +0.080 oversize with a 9.5:1 compression ratio. Engineered for heavy-duty racing builds, these pistons are forged from 2618 aluminum, include precision ring grooves, anti-detonation features and ArmorGlide skirt coating for reduced friction and improved seizure resistance.
Wiseco Mitsu Evo 4-9 4G63 Stroker Asymmetric Skirt Bore 87.00mm - Size +.080 - CR 9.5 Piston Set
