icon fhr series forged flat top piston set - sb chevy 350 bore size: 4.030", stroke: 3.480", rod length: 5.700" ic9913.030, icnic9913.030, piston, fhr forged, forged, 4.030 in bore, 5/64 x 5/64 x 3/16 in ring grooves, minus 6.4 cc, small block chevy, set of 8, icon pistons, pistons and piston rings, pistons