Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.250" Bore - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard Genesis Racing Shocks Volume control on eardome

Volume control on eardome

CNC spun-form rim shell to create the highest quaility

Textured Aluminum

Ball Joint Adapter

Both Sides

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.250" Bore - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard Genesis Racing Shocks Volume control on eardomeSpeed 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