How to Install BMR 1-1/4 in. On-Car Adjustable Rear Upper Control Arms - Poly Bushings - Hammertone on your Mustang

1. Lift vehicle and support with jack  stands under the frame.  

2. Using an 18mm wrench and  socket, loosen the front and rear  upper control arm bolts. (IMAGE  1)  

3. Using the hydraulic jack, lift the  rear end until the bolts can be  pulled out of the upper control  arm. Remove arm.  

4. Using the factory upper arm as a  guide, adjust the BMR control arm  to the same length as shown in  IMAGE 2.  

5. Install the BMR control arm using  the factory hardware. Tighten both  bolts to 90 ft/lbs.  

6. If you do not need to adjust pinion  angle, tighten the jam nuts on the  control arms using a 7/8” and 1-1/8” wrench.  

7. Grease front bushings using non-petroleum based lube.  

8. Lower vehicle.