Proportioning Valve custom hardline 2 pieces 1 x 12" Section and 1 x 18" section Of Hardline Suspension - Nissan 280zx 53 pounds and have 44

53 pounds and have 44

Ensure your OEM master cylinder matches the one shown in the third picture

Heat treated to a hard Rockwell

8inch diameter x 1 inch thick)

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

Proportioning Valve custom hardline 2 pieces 1 x 12" Section and 1 x 18" section Of Hardline Suspension - Nissan 280zx 53 pounds and have 44Proportioning 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