Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 3550224-17- XL 54 in Long

54 in Long

Precision formed and reinforced pushrod endThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

1972-1974 BMW Bavaria

Stock Spindles

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 3550224-17- XL 54 in LongSpeed Pro designs and engineers pistons to meet the most demanding street performance and racing conditions. In combination, we draw upon more than 100 years of Speed Pro engine mastery to enhance the piston ring and its seal. Our Speed Pro(R) brand is recognized for being a winner in every form of racing, and is the proven horsepower leader in oval track and drag racing. Hell Fire(R) Rings: Speed Pro Hell Fire rings, manufactured from a specially