Total Seal TNT File-Fit Gapless Second Ring Piston Ring Set - 4.160" Ring Size, 1/16" Top Ring - 1/16" 2nd Ring - 3/16" Oil Ring Titanium Hose and Wire Sleeve 1976-1984 Chevrolet K20

1976-1984 Chevrolet K20

1965-1966 Oldsmobile Jetstar 88

1968-1968 Chevrolet K10 Suburban

Stepped tubes increase exhaust velocity

Total Seal TNT File-Fit Gapless Second Ring Piston Ring Set - 4.160" Ring Size, 1/16" Top Ring - 1/16" 2nd Ring - 3/16" Oil Ring Titanium Hose and Wire Sleeve 1976-1984 Chevrolet K20Total Seal's patented gapless piston rings provide increased performance through unmatched cylinder sealing. Increased horsepower and torque and longer engine life are just some of the reasons why Total Seal's Gapless Rings are the best available. TS1 sets are engineered for racing engines and utilize a ductile iron top ring. Total Seal is known for their piston ring sets. They offer a wide selection of off the shelf options and also offer and the