Feature: 1. The stainless steel valve assembly can achieve excellent corrosion resistance, and the electric coil is completely sealed in epoxy resin to improve reliability. 2. The finned housing can help to dissipate heat, and wide, lightweight base for better mounting stability. 3. Package includes all the installation accessories you may need, which is very convenient. 4. Comes with an extra threaded port for brake line pressure gauge, which has good practicability. 5. Made of high qualiy material of aluminum and stainless steel, which makes it durable and have high reliability. Specification: Item Type: Front Brake Line Lock Kit Material: Aluminum+Stainless Steel Model: Roll Control Hill Holder Kit Voltage: 12-24V DC Line Lock Type: Electric Inlet Attachment: Female Threads Outlet Attachment: Female Threads Inlet Thread Size: Approx. 1/8-27 NPT Outlet Thread Size: Approx. 1/8-27 NPT Line Lock Outlet Quantity: Three Line Lock Inlet Quantity: Only One Mounting Style: Bolt-On Solid or Vented Rotor: Solid Rotor Style: Dimpled+Drilled+Slotted Suitable for: Disc+Drum Placement on Vehicle: Front Caliper Finish: Anodized Description:These evil energy line lock kits are used for drag racing to lock the front tires of the car. This decreases the chance of your car rolling through the lights before it's time. Also locking the front wheels produces a more efficient burn-out to heat up your tires. Extensive testing has shown a 10-millisecond release time with vibration resistance up to 30-G's with no mechanical failure. On the street or off-road, the evil energy line lock can also be used as a temporary electronic parking brake when both the clutch and brake are needed at the same time. Kits allow you to lock your front or rear brakes at will. This launch control is a sophisticated device that installs into your existing brake system. The easily installed solenoid provides the brake holding capacity you are looking for. It can be used for racing or for street applications if you need a hill holder while stopped on an uphill grade. This high quality solenoid can be used on the front brakes of your vehicle. It can handle pressure spikes up to to 3000 PSI line pressure. Include light and switch. Control to make the front and rear brakes synchronized. Hold the brake pressure to the front or rear brakes to hold the vehicle on a hill or the starting line at the drags. Easy to do a burn out by locking the front tires and releasing the back brakes with this system. Works with 12 - 24VDC electric systems. Application Summary: Used in Drag racing to positively lock the front wheels, producing a more effective burnout. . Package List: 1 x Brake Line Lock1 x Series Fuse Connector1 x Indicator Light1 x Switch3 x Mounting Screw1 x Manual Note: 1. This item is high quality aftermarket replacement but not original. 2. Please kindly confirm the fitment before ordering to make sure this item is perfectly fit. 3. Easy to install, but professional installation is recommended.