NPR American V8 Engine Ring Series Piston Ring Set - 4.070 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 939-00000 (2) 1/2'' sleeves

(2) 1/2'' sleeves

Niterra North America

You will need to order a set of hub and cap washers depending on what pulley you are using

engine builders and performance enthusiasts alike are witnessing more aggressive cam profiles

NPR American V8 Engine Ring Series Piston Ring Set - 4.070 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 939-00000 (2) 1/2'' sleevesProduct Description: Piston Rings American V8 Engine Ring Series 4. 070 in Bore 1. 2 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