SuperPro SPF4624 80K Front Control Arm Lower Inner Rear Bushing Kit Free Printable March Coloring Pages. SuperPro SPF4624 80K Front Control Arm Lower Inner Rear Bushing Kit Control arm bushes stabilise the movement of the arms to ensure the correct geometry is maintained in all situations. Worn or rubber bushes in these locations lead to dynamic changes in wheel alignment that effect the handling of a vehicle as well as the tyre life. SuperPro Bushings solve this issue and are the perfect repair or repair upgrade solution. Warranty: Lifetime FITMENT Front Control Arm Lower Inner Rear Bushing Kit works with the following vehicles. 1993 mazda rx 7 base Download Now