Wossner Porsche 997 GT3 RS 3.8L 102MM 12.7: 1 forged pistons WS-K9268D200

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 102MM Stroke 76.40mm Wossner compression ratio (CR) 12.70: 1 Rod Lgth. 130.70 Dome volume (CC) & nbsp