NPR American V8 Engine Ring Series Piston Ring Set - 4.150 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 85922 Pro Ratchet and Pro Stick

Pro Ratchet and Pro Stick

Precision machined chromoly advance weights and center plate eliminate erratic timing

Extra Capacity Oil Pans

1966-1973 Mercury Comet

NPR American V8 Engine Ring Series Piston Ring Set - 4.150 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 85922 Pro Ratchet and Pro StickProduct Description: Piston Rings American V8 Engine Ring Series 4. 150 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