NPR American V8 Engine Ring Series Piston Ring Set - 4.125 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Go-Kart Gloves GM W-Body 1991-96

GM W-Body 1991-96

and add strength and adjustability to your 4th-Gen GM F-body with Tunnel Mounted Torque Arms from BMR Suspension

Reduce wheelhop

B&M Hammer Shifters

NPR American V8 Engine Ring Series Piston Ring Set - 4.125 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder Go-Kart Gloves GM W-Body 1991-96Product Description: Piston Rings American V8 Engine Ring Series 4. 125 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