ICON PISTONS BBC Domed Piston Set 4.290 Bore +18cc IC779.040

ICON PISTONS Piston - Domed - Forged - Dome - 4.290 in Bore - 1.645 in Compression Height - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 18.00 cc - Big Block Chevy - Set of 8.