Part #: 72123. SPC's well - loved adjustable upper control arm and shim kit has been redesigned to fit Nissan and Infiniti vehicles. The new tubular design cuts weight by 1 pound per arm and boosts rigidity. These are the only 350Z control arms on the market that can achieve a camber change from +3.5° to - 1.5°. You can also set your caster at ±1°. Thanks to the patented design with a sliding and rotating ball joint, adjusting camber and caster is a breeze. The kit comes with everything you need, including the ABS sensor bracket, shims, and adjustable arms. Front Adjustment Range: Camber -1.5° to +3.5°, Caster ±1.0°. Installation time is 1.8 hours per side. One is required per axle. Applications include Infiniti 2003 - 07 G35 Coupe (with or without active steer), 2003 - 06 G35 Sedan, and Nissan 2003 - 08 350Z.

Using this SPC Performance control arm kit is quite straightforward. First, make sure you have all the tools you need. You'll find everything in the kit, like the ABS sensor bracket and shims. Installation takes about 1.8 hours per side, so set aside enough time. When you're adjusting the camber and caster, use the sliding and rotating ball joint as described in the product details. You can set the camber from -1.5° to +3.5° and the caster at ±1.0°. For safety, always double - check your adjustments before taking your vehicle out on the road. As for maintenance, regularly check the control arms for any signs of wear and tear, like loose parts or damage. Keep them clean to prevent rust and other issues. If you notice any problems, it's best to have them inspected by a professional.