NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder OMPOA0-1867-003 and Snap-In versions include (4)

and Snap-In versions include (4) Snap-in ends which are easily swapped for the pre-installed Bolt-In ends (Eye-bolts available separately)

reducing the chance of suction side cavitation and vapor lock

boost port

we decided it was time to move out of Los Angeles

Spacer is required with all of the new style floating clamps

NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder OMPOA0-1867-003 and Snap-In versions include (4)Product Description: Piston Rings American V8 Engine Ring Series 4. 155 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