Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.000" Bore (+.035") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Low 600080139 Mega Kits include the same

Mega Kits include the same components as the Installation Kits with the addition of axle seals and axle bearings to perform a comprehensive differential rebuild

031 in Bore

Adapters / Hose / Jets

BUILT TO LAST

Vehicle Applications: 2015-2019 Ford F-150

Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.000" Bore (+.035") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Low 600080139 Mega Kits include the sameSpeed 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