NPR American V8 Engine Ring Series Piston Ring Set - 4.160 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder RTP1000686 it is because the tear

it is because the tear off or adhesive is blocking the UV light

Avalanche (2WD) For use w/ 3" or more drop only 2" Drop Spindle

CT-1 Dry Film Lubricant coating is applied as a spray process

degreed balancer (see below list for recommendations)

NPR American V8 Engine Ring Series Piston Ring Set - 4.160 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder RTP1000686 it is because the tearProduct Description: Piston Rings American V8 Engine Ring Series 4. 160 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