NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Pulley Kit Help your vehicle run more

Help your vehicle run more efficiently

Maintaining Pro-Flo's foam element is simple

and the dividers are pulled back to increase plenum size and shorten the runners for improved high rpm performance

and many other world class races

NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Pulley Kit Help your vehicle run moreProduct Description: Piston Rings American V8 Engine Ring Series 4. 155 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