A burnout is pretty easy to do, but it's a lot easier with a line-lock. A line-lock allows you to lock the front brakes independently of the rear brakes, so the car stays put while the tires smolder.

The Hurst solenoid valves included in the PHP kit have a release time of 1/100,000 of a second. A good drag burnout should warm and clean your tires, not fry your rear brakes. But unthinkable ...

The feature was developed to make it easier for drag racers to warm up their tires in the burnout box. The electronic system uses the hydraulic control unit of the stability control system to hold the ...