Wossner forged pistons Opel Astra GSI Tigra 79.5MM 11.5: 1 WS-K9141D050

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 protections Product detailed specification Bore size 79.50mm Stroke 81.50mm Wossner compression ratio (CR) 11.5: 1 Rod Lgth. & nbsp