KB PERFORMANCE PISTONS Piston Ring Set 4.030 File Fit 1.2 1.2 3.0mm 4000ES8.035

KB PERFORMANCE PISTONS Piston Rings - Performance - 4.030 in Bore - File Fit - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Ductile Iron - Moly - 8-Cylinder - Kit.