Wiseco Mitsubishi EVO X 4B11 Turbo -4.5cc 87mm Bore 8.8 CR HD Forged Piston Kit

The Wiseco K702M87 is a set of Professional Series forged racing pistons designed for the Mitsubishi 4B11 engine, specifically for the Evo X Turbo. This set includes 4 pistons with an 87.00 mm bore, 29.26 mm compression height, and a -4.5cc piston volume, resulting in an 8.8 CR (compression ratio). The pistons are made from 2618 high-strength alloy and feature ArmorGlide® skirt coating for reduced friction and improved seizure resistance. They are engineered, forged, and machined in the USA with fully machined crown features, precision ring grooves, and forced pin oiling. The set includes piston rings and H13 material wrist pins with a 0.9055-inch outer diameter and a floating style.