Manual Boost Controller

The Best Manual Boost Controller!

Our new manual boost controller was designed with reliability and performance first. All products from Fierce Controllers were designed, assembled, and tested right here in the USA. We take pride in our craftsmanship and it shows in the final product. Every controller that leaves our facility goes through a rigorous inspection and testing protocol to ensure you receive the best manual boost controller on the market.

How does our manual boost controller work?

Our controller works on the ball and spring principle. Our article on the different boost controllers explains how this works. This method, if properly designed and calibrated, makes for the fastest response and best boost performance. Our customers have seen boost come in several 100RPM faster. Our controller also does not rely on locknuts, which often loosen and cause boost spikes. with our friction locks, Just turn it and it stays.

Our Manual Boost Controller Components

The Body and adjustment knob – made from high strength 6061 aluminum alloy and is anodized to provide a protective finish that will last for years to come.

Internal spring and screw shaft made front 300 series stainless steel.

The valve comes standard with a lightweight ceramic ball.


6061 aluminum and 300 series stainless steel construction

Beautiful black anodized finish

Lightweight Ceramic Ball

friction locking system

integrated cap so you never loose that jam nut again

includes hose, connection T, and mounting hardware.

dual clamp nipples to minimize tube blow off

2 year manufacture warranty on Fierce Components


Fierce Manual Boost Controller

$90.00 with free shipping