NPR American V8 Engine Ring Series Piston Ring Set - 4.135 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Quarter-Turn Mounting Bracket each bar has a recessed

each bar has a recessed step area with UV-resistant rubber grip pads providing solid traction and stability

Kit includes: two keyed ignition switch pigtails

Narrow Dynalite

The 6 BTM lets you dial away detonation by retarding the timing in relation to the boost pressure

NPR American V8 Engine Ring Series Piston Ring Set - 4.135 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Quarter-Turn Mounting Bracket each bar has a recessedProduct Description: Piston Rings American V8 Engine Ring Series 4. 135 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