KB PERFORMANCE PISTONS BBC Domed Piston Set 4.290 Bore +12cc KB203.040

KB PERFORMANCE PISTONS Piston - KB Series - Hypereutectic - Dome - 4.290 in Bore - 1.645 in Compression Height - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 12.00 cc - Big Block Chevy - Set of 8.