NPR American V8 Engine Ring Series Piston Ring Set - 3.937 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder ST6 FN Carbon ZERO 1960-1963 Chevrolet Bel Air

1960-1963 Chevrolet Bel Air

1-3/16 in Caps

570" ID that works well with our 950

which are 3-1/2" or 5" tall and have a 1

Contain Spherical Bearing Mount

NPR American V8 Engine Ring Series Piston Ring Set - 3.937 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder ST6 FN Carbon ZERO 1960-1963 Chevrolet Bel AirProduct Description: Piston Rings American V8 Engine Ring Series 3. 937 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