Wiseco Mini Cooper S 1.6L W11 77.5MM 8.5: 1 forged pistons US-K618M775

Wiseco 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 protections Product detailed specification Bore size 77.50mm Stroke 85.80mm Wiseco compression ratio (CR) 8.5: 1 Rod Lgth. 131.5mm Dome volume (CC) & nbsp