NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder HB22031SPL 1969-1974 Chevrolet Blazer CID 400

1969-1974 Chevrolet Blazer CID 400

sprint car teams and Indy car teams rely on Earl's still today

front shock extension on initial launch may need to be limited depending on vehicle horsepower

Braille Carbon Fiber and No-Weight Batteries provide reliable lightweight performance for racing

This pan requires our 15-851 pickup

NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder HB22031SPL 1969-1974 Chevrolet Blazer CID 400Product Description: Piston Rings American V8 Engine Ring Series 4. 155 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