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 CONSTANT INNOVATION:

CONSTANT INNOVATION:

Master Cylinder Cap

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

CSR makes the messy job of adjusting valves easier by eliminating the hassles of slippery

Recommended for use in pump-gas

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 CONSTANT INNOVATION:Product 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