NPR American V8 Engine Ring Series Piston Ring Set - 4.035 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder IMSA-SS-R1 These offset/offset Varitune Mufflers are

These offset/offset Varitune Mufflers are designed to fit many applications including most Ford Mustang applications

8 AN Male to 1/4 in NPSM Male

Ideal for applications that require frequent service

You will appreciate the 2 piece design allowing for a much easier installation

they are designed for the center to sit flush when lying flat

NPR American V8 Engine Ring Series Piston Ring Set - 4.035 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder IMSA-SS-R1 These offset/offset Varitune Mufflers areProduct Description: Piston Rings American V8 Engine Ring Series 4. 035 in Bore 1. 2 x 1. 2 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