This is a prescision manual boost controller that's made from high grade aluminium with a matt silver anodised finished

As this boost controller is supplied with illustrated instructions that are specific for our valve it is suitable for novice or DIY mechanic installation.

Boost adjustments are made in a matter of seconds by simply turning the knurled adjustment knob.....It's as simple as that!

As with all boost increasing devices we recommend the use of a boost gauge to monitor any adjustments made.

Lockable MBC Manual Boost Controller Lightweight Aluminium Construction Easy Adjustment  Lockable Once Set Ball and Spring Mechanism (Not a typical/inferior bleed type valve)