Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 4920903 2017-2018 Ford F-350 Super Duty

2017-2018 Ford F-350 Super Duty 4WDVehicle Applications: 2017-2018 Ford F-250 Super Duty 4WD

Adjustable center-to-center carburetor base spacing

drain plug

and more fade resistant

Not recommended in street or street/strip applications that see any part throttle at all

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.000" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 4920903 2017-2018 Ford F-350 Super DutySpeed 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