NPR American V8 Engine Ring Series Piston Ring Set - 3.905 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 5290 The NSR HV cam will

The NSR HV cam will provide a deep rumble with a mild

throw-out bearing or to an internal clutch transmission

Closes at pressures 15psi and lower

Popular for BMW (before 1993)

NPR American V8 Engine Ring Series Piston Ring Set - 3.905 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 5290 The NSR HV cam willProduct Description: Piston Rings American V8 Engine Ring Series 3. 905 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