Select a Product Part NumberIncludesUsed onThread SizeLength SC5-16-18X2.75PBolts (4 Required)3544CA,3543CA,3534CA,3533CA,3544CA,3543CA,3533CA,DB1000-SFI5/16"2-3/4" 110978Hex nut 5/16"3544CA, 3543CA, 3534CA, 3533CA, 3544CC, 3543CC, 3533CC, DB1000-SFI 110977Lock washer (for nut end of bolt)3544CA, 3543CA, 3534CA, 3533CA, 3544CC, 3543CC, 3533CC, DB1000-SFI 6000-233" coupler end3534CA,3533CA,3543CC,3533CC 6000-194" coupler end3544CA,3543CA,3544CC,3543CC, DB1000-SFI 6000-243" adapter end3543CA,3533CA,3533AA