Wossner forged pistons Subaru Impreza WRX EJ20 (92-98) 92MM 9.0: 1 CN-AT-001

Wossner 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 resulted in a smaller clearance between the cylinder and a lighter piston. Set: Pistons, rings, pins and pin protectors Product detailed specification Bore size 92.00mm Stroke 75.00mm Wossner compression ratio (CR) 9.0: 1 Rod Lgth. 130.5mm Dome volume (CC) & nbsp