Forged Pistons Wossner Porsche 930 3.3L Turbo 97mm 7.0: 1 WS-K9290DA

Wosser pistons are made of the highest quality aluminum processed digitally using high quality technology. The piston has an optimized piston crown to improve filling and a specially selected wall shape for individual applications. Thanks to this, you managed to get smaller looseness between the cylinder and lighter piston. In the set : Pistons, rings, bolts and protection pins Product Detailed Specification Bore Size 97mm Stroke 74.40mm Wossner Compression Ratio (CR) 7.0: 1 Rod LGTH. 127 COMP HT. 32.8mm PIN DIAMETER 23x1.6mm FITS FOR PORSCHE 930 3.3LTR. Turbo M30.66 / B6 (77-90)