NPR PISTON RINGS Perf. Piston Ring Set V8 3.937 Bore1.5x1.5x3.0mm 20-GNHD3937K8

NPR PISTON RINGS Piston Rings - American V8 Engine Ring Series - 3.937 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Steel - Nitride - 8-Cylinder - Kit.