VW GOLF MK4 REAR BRAKE CONVERSION These HIGH PERFORMANCE SYSTEMS have been developed with racers for racers. Tested on racing circuits that achieved confidence to outbrake most others! The Alloy Bells are machined from a aluminium Billet and anodised. The Mounting Brackets are machined from a aluminium Billet and anodised. Power Vane Ultimate racing rotors are designed with internal curved vanes to disperse the heat generated from hard use. These also have Gas vented slots to expell gasses created between pad and rotor surface under breaking conditions. The design and compound of these rotors help eliminate deteriation, warping and cracking. 2 x 330x20mm Powervane racing rotors, Brake kits can take upto 28 days, so please request a ETA as we cannot guarantee a delivery time - but some ar.