Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.125" Bore (+.035") - Top Ring: 5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Oil Tension Ring: Standard 1425033 Easy-to-read 2-1/2" dial is encased

Easy-to-read 2-1/2" dial is encased in a metal housing

1" Rear Drop

Vehicle Applications: 1959-1979 Pontiac / Oldsmobile

26 x 26 x 9

LED Indicators

Speed-Pro File Fit Plasma Moly Piston Ring Set - 4.125" Bore (+.035") - Top Ring: 5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Oil Tension Ring: Standard 1425033 Easy-to-read 2-1/2" dial is encasedSpeed 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 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 Rings: Speed Pro Hell Fire rings, manufactured from a specially hardened