NPR American V8 Engine Ring Series Piston Ring Set - 4.140 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder COM11-422-8 Designed together with Dedenbear WP3

Designed together with Dedenbear WP3 water pumps to perform as an engineered cooling system

CONSTANT INNOVATION:

ApprovedHEI owners now have a choice to replace their stock coil with the MSD High Energy Unitized Coil for GM HEI Distributors

Recommended for use in pump-gas

no-questions-asked protection plan covering your gears for as long as you own the vehicle

NPR American V8 Engine Ring Series Piston Ring Set - 4.140 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder COM11-422-8 Designed together with Dedenbear WP3Product Description: Piston Rings American V8 Engine Ring Series 4. 140 in Bore 1. 2 x 1. 2 x 3. 0 mm Thick Standard Tension Steel Nitride 8 Cylinder NPR Piston Rings is a world leader in the production of piston rings. A long time supplier for OEM applications, they also produce a line of performance piston rings designed for top tier performance and reliability. With performance piston rings for a wide range of engines, including popular V8's from