Total Seal Street Piston Rings - 4.055 in Bore - GM Duramax MPIMPI-A-CPC-F-RED Works with all common aftermarket

Works with all common aftermarket and factory Throttle bodies and intakes

Keep your car hooked up

All are constructed from light weight 4130 aircraft tubing for strength and to reduce unsprung weight

Music you can feel

The modules were designed to drop in as a direct replacement for your existing 6 bolt flange fuel cell cap assembly

Total Seal Street Piston Rings - 4.055 in Bore - GM Duramax MPIMPI-A-CPC-F-RED Works with all common aftermarketProduct 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.