Who makes a line lock that will work on GM 2004 trucks. ABS Anti-lock system?

 

Alot of guys use the Biondo(sp?) line lock, installed "backwards" to lock the rear brakes. Do a search for "line lock" in the GM Drivetrain and Suspension section and a bunch of threads will come up. Summit Racing carries Biondo, as well as Hurst, B&M, etc.