NPR American V8 Engine Ring Series Piston Ring Set - 4.100 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder HOW2214315 so that it can be

so that it can be installed on a manifold machined for a 4150 or 4500 series carburetor

3200+ stall

1967-1974 Pontiac Firebird

SB or BB Chevy

NPR American V8 Engine Ring Series Piston Ring Set - 4.100 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder HOW2214315 so that it can beProduct Description: Piston Rings American V8 Engine Ring Series 4. 100 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