KB PERFORMANCE PISTONS Ring Set 4.020 Bore Moly 1/16 1/16 3/16 4000BM8.020

KB PERFORMANCE PISTONS Piston Rings - Performance - 4.020 in Bore - Drop In - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Cast Iron - Moly - 8-Cylinder - Kit.