This spring cushioned droop limiter is adjustable so you can have stock droop, or 1/2" and 1" less. You can also unhook the chain and have a totally stock setting. The main clamp and body hook to a 3" axle tube and ride on the axle to leave ample clearance for dry sump lines. The top clamp goes over the 1-1/2 bar that the master cylinders are mounted to on a BRP car. Shrink wrap included for the chain