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The Wiseco Professional Series forged piston is a single replacement piston for 1996–2007 Mitsubishi Evolution models 4–9 (4G63) with an 87.00 mm bore, +.080 oversize. Machined in the USA from 2618 aluminum, it features precision ring grooves, anti-detonation and ArmorGlide skirt coating, a fully machined crown and forced pin oiling—built for heavy to severe duty race and performance applications.
Wiseco 96-07 Mitsu Evo 4-9 4G63 Asymmetric Skirt Bore 87.00mm - Size +.080 - Single Piston
