Wossner Porsche 911S 2.2L 85MM 10.5: 1 forged pistons WS-K9103D100

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 85MM Stroke 66mm Wossner compression ratio (CR) 10.50: 1 Rod Lgth. 130.00 Dome volume (CC) & nbsp