Powerflex 75mm Street Type Caster Adjustable Front Lower Radius Arm To Chassis Bushing Audi A4 | A5 | S5 | Q5 | SQ5 | RS4 2007+ Prestige AWD you can find the installation

you can find the installation instructions here

and trust me

screen protector   Storage Case Included: Yes   Batteries (Pad Control Box): 3 'C' Alkaline   Tablet Warranty: 1-Year limited warranty Pads   Style: Wired   Size: 15" x 15" x 2 1/2"   Capacity: 1800 lb per pad   Finish: Satin   Load cells per pad: 2   Built-in Handles: Yes   Storage Case Included: No   Pads Warranty: 2-Year limited warranty

Dimensions:Dimensions

Inner Diameter: 16

Powerflex 75mm Street Type Caster Adjustable Front Lower Radius Arm To Chassis Bushing Audi A4 | A5 | S5 | Q5 | SQ5 | RS4 2007+ Prestige AWD you can find the installationThis part suits arms with a 75mm diameter bushing, for 65mm bushings please use PFF3 802G. This is a replacement part that, in our Street series application, is 35% stiffer than the original rubber bushing to withstand increased loading seen by this position on the car. PFF3 702G provides + 0. 5 caster offset that can be adjusted on the car for improved steering feel. Additional caster will also create additional negative camber on turn giving