Wossner Porsche 911S 2.0L 81.00MM 10.5: 1 forged pistons WS-K9412D100

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. The result is less clearance between the cylinder and a lighter piston. Set: Pistons, rings, pins and pin protectors Product detailed specification Bore size 81.00MM Stroke 66.00mm Wossner compression ratio (CR) 10.50: 1 Rod Lgth. 130.00 Dome volume (CC) & nbsp