NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 1916 Supplied with Black Small Diameter

Supplied with Black Small Diameter Cap with HEI style terminals and race rotor (will accept 8441 Cap-A-Dapt)

CNC Mills and various manual machines in-house

DynoMax Ultra-Flow Welded Mufflers provide moderate sound reduction and still improve overall performance

Stake pocket holes are always available

5 in Tall Core

NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 1916 Supplied with Black Small DiameterProduct Description: Piston Rings American V8 Engine Ring Series 4. 155 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