Wiseco Professional Series forged pistons for Mitsubishi 4G63 (Evo 8) are a shelf-stock set of four pistons sized for an 86.25 mm bore with +0.050 oversize and a 21 cc dish yielding approximately 8.7:1 compression. Built for heavy to severe duty race builds, the pistons are forged from 2618 aluminum with Precision ring grooves, ArmorGlide skirt coating, and features like forced pin oiling.
Wiseco 1400 HD Mitsu EVO 8 4G63 Turbo -21cc 86.25 Bore +.050 Oversize 8.7 CR Piston Shelf Stock Kit