Hurst Roll/Control, Line/Loc Kit - GM G-Body

Fits 1978-1988 GM G-Body

Part # 5671524 Be the first to write a review
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This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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The Hurst® Roll/Control®, Line/Loc® kit for your 1978-1988 GM G-Body is primarily used in drag racing to lock the front wheels allowing for more consistent burnouts when heating up the tires to make a pass. This kit comes with all the necessary parts needed to easily install a Hurst Line/Loc system on your vehicle. Includes a stainless steel Roll/Control valve, brake line, fittings, lighted momentary switch, bracket, wiring, and much more. Rigorous testing has proved a 1/100,000 of a second release time and vibration tests have seen up to 30 G's applied without mechanical failure. The advanced quality design utilizes a stainless steel valve assembly for ultimate corrosion resistance. Other features include a fully enclosed epoxy-molded electrical coil for reliability, an attractive finned aluminum housing that helps dissipate heat, and a wider lightweight base that provides better mounting stability and 150-micron screen-filtered ports to prevent contamination. The Roll/Control Kit is field serviceable for cleaning or rebuilding and comes with an extra threaded port for a separate bleeder or brake line pressure gauge. The kit also includes a snap-action switch, indicator light, 4-amp fuse, mounting screws, and installation instructions. Note: Not recommended for use as a parking brake, or for longer than 60 seconds maximum at any one time.


  • Extra Threaded Port for Separate Bleeder or Brake Line Pressure Gauge
  • Stainless Steel Valve Assembly for Ultimate Corrosion Resistance
  • 150 Micron Screen Filtered Ports help Prevent Contamination
  • Can be Used to Hold Brakes for Up to 60 Seconds Maximum
  • Attractive Finned Aluminum Housing Helps Dissipate Heat
  • Field Servicable for Cleaning or Rebuilding
  • Fully Enclosed, Epoxy-Molded Coil

About Hurst

For over 60 years, Hurst has been the shifter of choice for some of the most recognizable muscle cars to come out of Detroit. Today, Hurst maintains a wide variety of shifter products including automatic shifters, manual shifters, shifter knobs, and shifter handles.

Additional ContentsSolenoid valve, fuse, arming switch, activation switch, brake lines and mounting hardware
Amp Rating4
Application1978-88 A/G-Body
Automotive Item GradeHigh Performance
Brand Hurst
Emission Code5
Inlet Port GenderFemale
Inlet Ports1
Inlet Thread Size1/8"
Installation Hardware IncludedYes
Lighted SwitchYes
MaterialStainless Steel
Mounting MethodUniversal screw on bracket
Outlet Port GenderFemale
Outlet Ports3
Outlet Thread Size1/8"
Product TypeBrake Line Lock Kit
SwitchActivation/Engagement Switch
Switch Actuation TypePush Button
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number5671524

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
INSTALLATION NOTES: - When working on the brake system, maintain a clean working area, not allowing dirt or foreign matter to contaminate it which may allow improper operation and failure. WARNINGS: - This system is designed primarily for high-performance race cars to momentarily engage front brakes (max 60 seconds) while staging for a drag race. It won't safely function as a long-term brake-holding device. It should be used only on specified applications with a standard hydraulic braking system that is in a safe, operable condition. - It should never be used as a temporary brake-holding device in place of a parking brake or a driver depressing the brake pedal. We do NOT recommend installing the system on vehicles equipped with anti-lock or split diagonal brake systems. CAUTION: - Carefully read and comprehend all instructions before beginning installation. If you are inexperienced in performing this type of installation, we strongly recommend using a qualified mechanic or shop to complete it. - Using thread seal to excess can contaminate the solenoid valve or brake system. Use sparingly and do NOT apply it to the starter thread of fittings. - Be sure to check all connections for leakage under pressure. There must be NO leakage.

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    Some parts are not legal for use in California or other states with similar regulations.