Wossner BMW M3 3.0L 3-Ring 86.50MM 12.6: 1 forged pistons WS-K9400D050

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 86.50MM Stroke 86.00mm Wossner compression ratio (CR) 12.60: 1 Rod Lgth. 142.00 Dome volume (CC) & nbsp