NPR PISTON RINGS Perf. Piston Ring Set V8 4.030 Bore 1.2x1.5x3.0 20-GNHM4030K8

NPR PISTON RINGS Piston Rings - American V8 Engine Ring Series - 4.030 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Steel - Nitride - 8-Cylinder - Kit.