NPR American V8 Engine Ring Series Piston Ring Set - 4.055 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 11-219-4 3-Piece Bolt-on Design

3-Piece Bolt-on Design

and is supported Maval’s stellar manufacturing

Free flow chin vents use low pressure to pull air out of helmet at speed

Finned Bottom

NPR American V8 Engine Ring Series Piston Ring Set - 4.055 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 11-219-4 3-Piece Bolt-on DesignProduct Description: Piston Rings American V8 Engine Ring Series 4. 055 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