Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.250" Bore (+.060") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard Wheel Hubs Bearings & Components radiused tungsten contacts provide crisp

radiused tungsten contacts provide crisp circuit-breaking for peak coil output

& Mini Sprint racing

Moroso Circle Track Distributors

By using the kit system

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.250" Bore (+.060") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard Wheel Hubs Bearings & Components radiused tungsten contacts provide crispSpeed 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