Hallman Pro Manual Boost Controller, Gunmetal - PRO-06 Womens 9.5 Please reference the images for

Please reference the images for measurement details

Adjustable from 38mm to 42mm Made of Stainless Steel Are you tired of the old school pressure clamps you have on your radiator hoses

) 9/16" (0

A compact and very lightweight bypass valve that is loaded with features and reliably holds high levels of boost without leaks

Installation is easy

Hallman Pro Manual Boost Controller, Gunmetal - PRO-06 Womens 9.5 Please reference the images forOur new Hallman Pro kit contains our new Hallman Pro valve. The new Pro valve is machined out of billet aluminum and stainless steel pieces. The new design of the valve incorporates some great new features not currently available on any other manual boost controller. We have designed the Pro valve to not require the use of a lock nut or any type or allen wrench(s) to be able to adjust your boost. Simply turn the adjustment knob and it stays. Another