Wiseco Professional Series forged piston set for Mitsubishi 4G63T engines, 86.00 mm bore, +0.040 oversize, compression ratio 10.5. Forged from 2618 aluminum with ArmorGlide skirt coating, precision ring grooves, anti-detonation features and forced pin oiling, this set of four includes premium rings and is intended for heavy to severe duty race builds and serious engine builders.
Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 86.00mm - Size +.40 - CR 10.5 Piston Set