Total Seal Street Piston Rings - 4.055 in Bore - GM Duramax Helmet Forced Air Motor For use with the stock

For use with the stock factory or aftermarket catback exhaust systems

Mastersbilt GEN-X

Counter Clockwise

This results in slower ET's

Total Seal Street Piston Rings - 4.055 in Bore - GM Duramax Helmet Forced Air Motor For use with the stockProduct Description: Piston Rings Street 4. 055 in Bore 3. 0 mm x 2. 0 mm in x 3. 0 mm Thick Standard Tension Steel GM Duramax Total Seal's patented Gapless Piston rings provide increased performance through unmatched sealing of the cylinder and combustion gasses in the combustion chamber. Increased horsepower and torque along with longer engine life are just a couple of the reasons why Total Seal's Gapless A Piston rings are the best rings available.