NPR American V8 Engine Ring Series Piston Ring Set - 4.165 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder MAC-1X-BUNDLE strict quality control means runout

strict quality control means runout is much lower than other Legends and Mini-stock wheels on the market

1983-1983 Mercury LN7

and laser engraved

1964-1965 Mercury Montclair

NPR American V8 Engine Ring Series Piston Ring Set - 4.165 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder MAC-1X-BUNDLE strict quality control means runoutProduct Description: Piston Rings American V8 Engine Ring Series 4. 165 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