NPR American V8 Engine Ring Series Piston Ring Set - 4.135 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 01230 1966-1974 Chevrolet Chevelle with 6

1966-1974 Chevrolet Chevelle with 6 or 8 cylinder engine without a console

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Specially engineered spiral baffles divide the exhaust flow into two separate paths

Industry's highest accuracy bubble gauge

NPR American V8 Engine Ring Series Piston Ring Set - 4.135 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 01230 1966-1974 Chevrolet Chevelle with 6Product Description: Piston Rings American V8 Engine Ring Series 4. 135 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