NPR American V8 Engine Ring Series Piston Ring Set - 4.020 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 1210-509 Designed specifically for EFI

Designed specifically for EFI

but on the dyno NX systems make more horsepower per pound of nitrous than anyone

Vehicle Applications: Dodge Charger

For decades Lokar has manufactured products of the highest quality

and pockets

NPR American V8 Engine Ring Series Piston Ring Set - 4.020 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 1210-509 Designed specifically for EFIProduct Description: Piston Rings American V8 Engine Ring Series 4. 020 in Bore 1. 5 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