Place two jack stands below the axle tubes for support. CALTRACS INSTALL GUIDE - STANDARD.Park truck on a flat work area, chocking the front tires is advised to avoid rolling. When adjusting your CalTracs, be sure to have the suspension in a compressed state. Calvert's are easier to set up then non triangulated four bar. They will perform under violence as designed and be pretty stock feeling everywhere else. CalTracs traction bars traction enhancement system. Calvert Racing - 42156 10th Street West - Suite V - Lancaster, CA 935364 Phone: 1-800-607-2266