NPR American V8 Engine Ring Series Piston Ring Set - 4.130 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder GBD1 23 Circuit

23 Circuit

GM applications with 3-1/2" O-ring/filter diameter

106 requirements

custom shops or do-it-yourselfers

They act to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operating

NPR American V8 Engine Ring Series Piston Ring Set - 4.130 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder GBD1 23 CircuitProduct Description: Piston Rings American V8 Engine Ring Series 4. 130 in Bore 1. 5 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