NPR American V8 Engine Ring Series Piston Ring Set - 4.045 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 500-EX-CLEAR-PC Secure your HI-Lift with a

Secure your HI-Lift with a quality key-locking knob

Best-In-Class No Drone Quiet Cabin Driving Experience

It allows you the flexibility to meet the various rules of different tracks or series as well as the ability to take advantage of different weight breaks

Constructed with 100-percent polyurethane on top and bottom

TRI-Tech Air System – Adjustable inlets on top of helmet and both sides of chin bar for Natural Air

NPR American V8 Engine Ring Series Piston Ring Set - 4.045 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 500-EX-CLEAR-PC Secure your HI-Lift with aProduct Description: Piston Rings American V8 Engine Ring Series 4. 045 in Bore 1. 5 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