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 1238B04 (Borg-Beck/Diaphragm style)

(Borg-Beck/Diaphragm style)

Slot / Key Upper Control Arms

what matters most is that you choose a tonneau cover that can handle whatever you throw it at

New features have been born from feedback of several drag racers around the globe

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 1238B04 (Borg-Beck/Diaphragm style)Product 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