Wiseco forged pistons BMW E46 M3 S54B32 87.5MM 8.8: 1 US-KE127M875

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. The result is less clearance between the cylinder and a lighter piston. Set: Pistons, rings, pins and pin protectors Product detailed specification Bore size 87.50mm Stroke 91.00mm Wiseco compression ratio (CR) 8.8: 1 Rod Lgth. 139mm Dome volume (CC) & nbsp