Used for a more precise rear wheel alignment and belt tension adjustment than is possible with the OEM cam style adjuster. This kit will give you better handling and extend the life of your belt and tire. The PM axle adjuster allows fine tuning via lasered hatch marks and threaded screw style adjustment sliders. Each kit Includes the rear axle; axle adjuster mounts; axle adjustment sliders; machined axle nut; safety E-clips; upper and lower shock mounting bolts; and upper shock mounting spacers. - 304 stainless steel 25mm axle - Billet axle adjuster mount and adjustment slider - Removable rear stand spools (for use with short 2 into 1 exhaust only) - Shock mounting hardware included - Upgrade replacement for OEM 41056-09; 43000002; 43000207 axle.