Wiseco Mitsubishi Lancer EVO 4-9 4G63 2GEN 86MM 9.0: 1 forged pistons US-K597M86

Wiseco pistons are made of the highest quality aluminum, digitally processed using high-quality technology. Each piston has an optimized piston crown to improve filling and a specially selected wall shape for each application. This results in a smaller clearance between the cylinder and a lighter piston. Set: Pistons, rings, pins and pin protectors Product detailed specification Bore size 86.00mm Stroke 88.00mm Wiseco compression ratio (CR) 9.1: 1 Rod Lgth. 150mm Dome volume (CC) & nbsp