Wossner forged pistons Audi A4 A5 Q5 82.5MM 9.6: 1 WS-K9487DA

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. Set: Pistons, rings, pins and pin protectors Product detailed specification Bore size 82.50mm Stroke 92.80mm Wossner compression ratio (CR) 9.6: 1 Rod Lgth. - Dome volume (CC) & nbsp