SBC Flat Top Piston Set 4.040 Bore -7cc - KB120.040

Piston - KB Series - Hypereutectic - Flat Top - 4.040 in Bore - 1.561 in Compression Height - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 7.00 cc - Small Block Chevy - Set of 8