Wossner Porsche 997 911 Carrera S 4S 3.8L 100MM 11.8: 1 forged pistons WS-K9474D100

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. As a result, there is less clearance between the cylinder and a lighter piston. Set: Pistons, rings, pins and pin protections Product detailed specification Bore size 100MM Stroke 82.80mm Wossner compression ratio (CR) 11.80: 1 & nbsp