NPR American V8 Engine Ring Series Piston Ring Set - 4.160 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Exhaust Manifold Gasket The strong tubular construction and

The strong tubular construction and 4140 CrMo cross shaft gives peace of mind when road racing

5/64" second and 3/16" oil rings

Driver comfort with ease in any car

Aluminum and Chromoly stops available

mirror or blue irridium for bright sunlight conditions

NPR American V8 Engine Ring Series Piston Ring Set - 4.160 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Exhaust Manifold Gasket The strong tubular construction andProduct Description: Piston Rings American V8 Engine Ring Series 4. 160 in Bore 1. 5 x 1. 5 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