Proportioning Valve custom hardline 2 pieces 1 x 12" Section and 1 x 18" section Of Hardline Suspension - Nissan 280zx You can also choose to

You can also choose to add more psi in the rear so you can tune your spring rates separately from each other with the air management system

Professional-grade stopping power without the hassle of custom fabrication

Fine tune rear brakes for best performance

and never overheats the rotors

With Pillow Ball Mount and Camber Plates

Proportioning Valve custom hardline 2 pieces 1 x 12" Section and 1 x 18" section Of Hardline Suspension - Nissan 280zx You can also choose toProportioning Valve 12" Section Of Hardline If your going to install your adjustable proportion valve according to our recommended installation procedure you will need these hairlines. 1 x 12" Section and 1 x 18" section Of Hardline. This will go between your master cylinder and the adjustable proportion valve. Or under the rear of the car to turn down the rear brakes. This system works on most cars with metric m10x1. 0 threads (found on most Japenese