NPR American V8 Engine Ring Series Piston Ring Set - 4.010 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder SPWCH-421-2 Pro-Tex is not for absorbent

Pro-Tex is not for absorbent fabrics

Edelbrock #1476 is required with #3701 on center bolt heads with 1986 & earlier bolt pattern

Adjustable valve train required

3 certification

2014+ Chevrolet Silverado 1500 4

NPR American V8 Engine Ring Series Piston Ring Set - 4.010 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder SPWCH-421-2 Pro-Tex is not for absorbentProduct Description: Piston Rings American V8 Engine Ring Series 4. 010 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