Pro Series 54801-003 12" x 2" Right Hand Brake Assembly Pro Series 49570 Round Bar Wd Spring Bars Include An Integrated Cam For Use With Optional Dual Cam Sway Control In Addition To The Changes In The Head, The Heavy Duty Round Bar Weight Distributing Kit Includes The Highest Rated Spring Bars Per Class In The Industry They Also Feature An Integrated Cam For Easy Set Up With The Optional Dual Cam High-Performance Sway Control Please Contact Us For More Information, Fitment Advice, or an Installation Guide