KB PERFORMANCE PISTONS SBC Domed Piston Set 4.040 Bore +0.5cc KB157.040

Piston - KB Series - Hypereutectic - Dome - 4.040 in Bore - 1.678 in Compression Height - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 0.50 cc - Small Block Chevy - Set of 8