LOWER SHOCK STUD KIT | Big Twin | Dyna | FX | FXR | Sportster

Kit with one zinc stud, one chrome washer and one chrome acorn nut

These special double threaded stud kits fit FL Big Twin, all 4 Speed FX, many Sportster and many Dyna that come standard with a OEM 3958 1/2-20x2 1/4" hex head bolt. Zinc plated 1/2-20 UNF stud is 2 15/16" (75mm) long, washer and acorn nut are chrome.