Wossner BMW 2002TII M10B20 89.5MM 11.8: 1 forged pistons WS-K9399D050

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 89.50mm Stroke 80.00mm Wossner compression ratio (CR) 11.8: 1 Rod Lgth. 135mm Dome volume (CC) & nbsp