NPR American V8 Engine Ring Series Piston Ring Set - 4.165 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder P857B-5914 5mm - w/HEI

5mm - w/HEI

Magneto / Electronic Ignitions

CAI Air Filters

Adds Torque Throughout Entire Torque Range

Complete Bolt-In Replacements for HEI Chevy V8's

NPR American V8 Engine Ring Series Piston Ring Set - 4.165 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder P857B-5914 5mm - w/HEIProduct Description: Piston Rings American V8 Engine Ring Series 4. 165 in Bore 1. 2 x 1. 2 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