A Watts link locates the rearend housing and eliminates lateral axle movement by keeping the differential perfectly centered under the car through the suspensions entire range of motion. Add the ultimate lateral differential location device to your S197 Mustang with a Body - Mounted Watts Link from BMR Suspension. Manufactured from heavy - duty 1x2 - inch, 0.120 - inch rectangular steel tubing and 14 - inch laser - cut steel plate, BMRs Watts link (WL005) is the ultimate in strength. The axle mounts are built from heavy - duty 316 - inch laser - cut, CNC - formed steel plate. Double shear link mounts connect the adjustable links to the center pivot. These mounts give you tons of strength and zero deflection. Other companies take the easy route, sacrificing strength with single shear mounts. BMRs center pivot is fabricated from - inch laser - cut plate steel with 1 58 - inch DOM steel tubing. It uses a double shear mount to the crossmember with a greasable Delrin bushing for smooth, bind - free movement. The links are built from heavy - duty aluminum with left and right hand threaded 58 - inch rod ends for easy on - car adjustability. The WL005 features zinc - plated, X - series, heat - treated, chrome - moly, self - lubricating, Teflon - lined rod ends and 95 - durometer polyurethane bushings. It also features 304 stainless steel, custom designed rod end spacers.