Wossner Porsche 997 911 Carrera S 4S 3.8L 99.50MM 11.8: 1 forged pistons WS-K9474D050

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 results in a smaller clearance between the cylinder and a lighter piston. The set includes: Pistons, rings, pins and pin protections Product detailed specification Bore size 99.50MM Stroke 82.80mm Wossner compression ratio (CR) 11.80: 1 & nbsp