NPR American V8 Engine Ring Series Piston Ring Set - 4.000 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder NPT Quick Release Fittings 1991-1991 Buick Roadmaster

1991-1991 Buick Roadmaster

Swapping to a coil-on-plug ignition set-up can eliminate dwell time issues that can be problematic in stock ignition systems

Installing a JOES Expansion Tank will help keep your engine cool

silicone sealer

Vehicle Applications: 1993-2002 GM F-bodyVehicle Applications: 1993-2002 GM F-body

NPR American V8 Engine Ring Series Piston Ring Set - 4.000 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder NPT Quick Release Fittings 1991-1991 Buick RoadmasterProduct Description: Piston Rings American V8 Engine Ring Series 4. 000 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