KB PERFORMANCE PISTONS SBC Flat Top Piston Set 4.040 Bore -7cc KB156.040

KB PERFORMANCE PISTONS Piston - KB Series - Hypereutectic - Flat Top - 4.040 in Bore - 1.678 in Compression Height - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 7.00 cc - Small Block Chevy - Set of 8.