NPR American V8 Engine Ring Series Piston Ring Set - 3.937 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder COM34-236-4 and Mast Black Label LS3

and Mast Black Label LS3

Scale Ramps rise 2

And because they retain the factory wheel base

Important For Headers

For Use with Aluminum Rocker Arms

NPR American V8 Engine Ring Series Piston Ring Set - 3.937 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder COM34-236-4 and Mast Black Label LS3Product Description: Piston Rings American V8 Engine Ring Series 3. 937 in Bore 1. 2 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