NPR American V8 Engine Ring Series Piston Ring Set - 4.125 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Distributor Coil Cover 9 in Rectangular Port

9 in Rectangular Port

Truck Hero Inc

1971-1989 Mercury Colony Park

Right Gear

not performance

NPR American V8 Engine Ring Series Piston Ring Set - 4.125 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Distributor Coil Cover 9 in Rectangular PortProduct Description: Piston Rings American V8 Engine Ring Series 4. 125 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