Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.000" Bore (+.065") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard HSLRG11SASPA Rugged Handheld Radio

Rugged Handheld Radio

along with some of the industry's most respected chassis builders

reliable power and is highly filtered to suppress RFI (Radio Frequency Interference)

Our oil pans and valve covers are fitted on blocks or heads several times through out the production process to ensure they easily install on their application

1/4Since 1938

Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.000" Bore (+.065") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard HSLRG11SASPA Rugged Handheld RadioSpeed 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