NPR American V8 Engine Ring Series Piston Ring Set - 4.075 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder C402212 GM F-Body 1978-81

GM F-Body 1978-81

BOLT ON 10-15 HP WITH THESE BBK SHORTY UNEQUAL LENGTH EXHAUST HEADERS FIT ALL 1986-1993 FORD MUSTANG 5

1970-1974 Plymouth Valiant

under frame design gives your engine all the exhaust flow it will need to produce maximum horsepower and torque

elongated bottom supports hips and thighs to eliminate dead air spaces

NPR American V8 Engine Ring Series Piston Ring Set - 4.075 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder C402212 GM F-Body 1978-81Product Description: Piston Rings American V8 Engine Ring Series 4. 075 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