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The Wiseco Professional Series forged piston set for Mitsubishi 4G63 engines is a set of four sport‑compact pistons with 86.50mm bore, 28.70mm compression height, and a 1.9cc dome creating a 10.5:1 compression ratio. Machined in the USA from 2618 aluminum, the set features precision ring grooves, anti‑detonation groove, ArmorGlide skirt coating, forced pin oiling and fully machined crowns for heavy to severe duty race builds.
Wiseco Mitsubishi 4G63 7-Bolt 1.9cc Dome 10.5:1 - Set of 4
