Wossner Citroen DS3 Mini Cooper S 77MM 10.5: 1 forged pistons WS-K9469DA

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 77mm Stroke 85.80mm Wossner compression ratio (CR) 10.50: 1 Rod Lgth. - Dome volume (CC) & nbsp