KB PERFORMANCE PISTONS SBC Flat Top Piston Set 4.040 Bore -6.5cc KB198.040

KB PERFORMANCE PISTONS Piston - KB Series - Hypereutectic - 4.040 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 6.50 cc - Small Block Chevy - Set of 8.