Check the listing for details. 300mm Dual Vertical Hydraulic Handbrake Rallying,Drifting,kit-car,Rally. Condition: New, Made in United Kingdom. Listed at 178.48 USD. Drivers to lock up or break loose the rear wheels when they want to Drift the car sideways or spin on the spot use a hydraulic handbrake. Rally drivers regularly need to spin 180 degrees “on the spot” when they over shoot an intersection, or need to turn very hard left or right and there’s not enough wheel lock to achieve this. Compbrake motorsport Ltd design and manufacture all these units in our own well-equipped factory based in England. These Hydraulic handbrakes are constructed out of lightened steel with a Black powder coat finish, giving you an extremely strong product that will last a lifetime. Compbrake Ltd has developed a new range of adjustable lockable Hydraulic Handbrakes. These systems will allow you to use the Hydraulic Handbrake as a temporary park brake. Do NOT use the Hyd.