NPR American V8 Engine Ring Series Piston Ring Set - 4.010 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder RM-6093 Draco Spring is a manufacture

Draco Spring is a manufacture of racing springs available in a large selection of sizes and rates

Available in 500- and 600 cfm sizes

Carburetor Jet Kit

HEI Distributors / Quickcar Switch Panels

Disc surfaces doubled for better wear

NPR American V8 Engine Ring Series Piston Ring Set - 4.010 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder RM-6093 Draco Spring is a manufactureProduct Description: Piston Rings American V8 Engine Ring Series 4. 010 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