NPR American V8 Engine Ring Series Piston Ring Set - 4.000 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Coax Cable Stripper Tool but are really the same

but are really the same so you may need to ignore the markings that may be on these gaskets

Upper a-arms assembled with UMI manufactured greaseable & fluted CNC machined zero deflection Delrin bushings

Common Configurations Available

Externally Adjustable

NPR American V8 Engine Ring Series Piston Ring Set - 4.000 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Coax Cable Stripper Tool but are really the sameProduct Description: Piston Rings American V8 Engine Ring Series 4. 000 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