NPR American V8 Engine Ring Series Piston Ring Set - 4.075 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder COM3204 Residual Pressure Valves are made

Residual Pressure Valves are made from billet aluminum and color coded for easy identification

and can reduce rotating weight by up to 8 lbs

Die Cut For One Of A Kind Look

Sold in kit form

More positive steering feel

NPR American V8 Engine Ring Series Piston Ring Set - 4.075 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder COM3204 Residual Pressure Valves are madeProduct Description: Piston Rings American V8 Engine Ring Series 4. 075 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