Wiseco Professional Series forged piston set for Mitsubishi 4G63T engines, 85.50 mm bore, +0.020 oversize, compression ratio 10.5. These race-focused pistons are forged from 2618 aluminum and include premium rings, ArmorGlide skirt coating, precision ring grooves and forced pin oiling. Built for heavy to severe duty race builds, the set of four suits high-stress, high-output applications.
Wiseco Mitsu Evo 4-9 HD2 Asymmetric Skirt Gas Ported Bore 85.50mm - Size +.020 - CR 10.5 Piston Set