Total Seal Street Piston Rings - 4.075 in Bore - GM Duramax BIL24-007214 GM Fullsize SUV 1978-89

GM Fullsize SUV 1978-89

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Total Seal Street Piston Rings - 4.075 in Bore - GM Duramax BIL24-007214 GM Fullsize SUV 1978-89Product Description: Piston Rings Street 4. 075 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.