CNC milled brake fluid cooler by Polini, manufactured from billet aluminum, and suitable for the Polini CNC racing calipers and others. Due to the Assembly and location on the brake Calliper, built up heat can be dispersed through the aluminium cooler thereby reducing the temperatureof the brake fluid. Designed for the race track, but also a great style accessory. Please check whether there is adequate space for installation. Thread: M10x1 Height: 19.3mm Diameter: 39.8mm. Supplied as shown with banjo bolt (M10) and copper sealing rings.