Line Lock, 1/8 in. NPT Inlet/Outlet, Stainless Steel, Polished,
Whether you call them roll
controls, line locks, or whatever, Hurst Roll Controls keep your stick
shift car out of the staging lights until you're ready to launch.
Controlled by a solenoid valve attached to a switch on your shifter, roll
controls keep you from rolling by locking your front or rear brakes. When
you hit the switch, your brakes are unlocked and you're ready to hit the
throttle. Rigorous testing has proved a 1/100,000th of a second release
time, and vibration tests have surpassed 30 Gs without mechanical failure.
Each roll control comes with a rebuildable stainless steel solenoid valve,
indicator light, inline fuse holder, and complete instructions. Hurst Roll
Controls give you one less thing to worry about when you're staging. This
should not be used as an emergency brake, or on any application requiring
the solenoid to be activated for a long period of