Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.125" Bore (+.040") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard Gloves Use 36 x 17/32" wide

Use 36 x 17/32" wide belt - NOTE: Image shows #MOR64110 and is for reference only

206/212 Duration

1957-1972 Ford Custom

Mazda / Mercury / Ford / Chevrolet 1994-2005

long duration applications such as road course and circle track racing using an MSD 6 Series Ignition

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.125" Bore (+.040") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard Gloves Use 36 x 17/32" wideSpeed 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