NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 01231 The back cushion is covered

The back cushion is covered with highly breathable mesh material and has the classic orange MPI stripe in the middle for signature authenticity and style

Ram 1500 2014-2011Vehicle Applications: Dodge Ram 1500 2010-2009

ER(R) Antifriction Metal Treatment conditions and protects the metal of your vehicle or machinery-not the lubricant

Ford Fullsize

Valve Spring Requires 120 lbs V

NPR American V8 Engine Ring Series Piston Ring Set - 4.155 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 01231 The back cushion is coveredProduct Description: Piston Rings American V8 Engine Ring Series 4. 155 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