Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.125" Bore (+.030") - Top Ring: 5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Oil Tension Ring: Standard RS00100306 Pro-Flo XT EFI

Pro-Flo XT EFI

and incorporates the MPI Safety™ u-channel and double rivets technology

heat resistant sleeving to provide protection from exhaust heat

1975-1994 Chevrolet G30

Recommended by many racing classes

Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.125" Bore (+.030") - Top Ring: 5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Oil Tension Ring: Standard RS00100306 Pro-Flo XT EFISpeed 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