NPR American V8 Engine Ring Series Piston Ring Set - 4.035 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder SK Allison-JR and shortened bump stops

and shortened bump stops

Made from 100% Kevlar and a unique Fibreshield treatment

Narrow triangular design arches are constructed of 1-3/4" x

Pit Stop USA offers Ultra Shield TC1 Sprint Seat - Halo - 14-1/2" - 10 Degree Layback T14530K+PSS Halo at low everyday prices

NPR American V8 Engine Ring Series Piston Ring Set - 4.035 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder SK Allison-JR and shortened bump stopsProduct Description: Piston Rings American V8 Engine Ring Series 4. 035 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