NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder NMO-RACE-12C Pliable enough for tightest bends

Pliable enough for tightest bends

Three sizes in a box

High Quality Black Aluminum

Learn about the POWERSTEPXL and its features and benefits in this new video

rear end gear ratio (and transfer case ratio

NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder NMO-RACE-12C Pliable enough for tightest bendsProduct Description: Piston Rings American V8 Engine Ring Series 4. 155 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