Wiseco Audi / VW 1.8T 20V 81MM 8,5: 1 forged pistons US-K563M81AP

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 81.00mm Stroke 86.40mm Wiseco compression ratio (CR) 8.5: 1 Rod Lgth. 144mm Dome volume (CC) -7 & nbsp