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What is line lock?

I am just getting into the car modding community. One of my friends won’t stop talking about having a line lock installed on his car. What is line lock?

Nick Kunze · Updated on Mar 20, 2023

Reviewed by Shannon Martin, Licensed Insurance Agent.

A line lock is an electronic device that allows your front and back brakes to lock independently of one another.

With a line lock, your front brakes can lock while your rear brakes remain open. This allows you to spin the back wheels without causing extra wear and tear on the rear brakes. This is useful for drivers who want to perform burnouts and other tricks in their vehicles.

Once installed, the line lock allows you to freeze one set of brakes while keeping the other open by flipping a switch. Line locks are usually aftermarket items, although some

models come with a line lock installed.

Don’t just modify your car—take a moment to modify your

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