Columbia 7" Throttle Box

The 7" Throttle Box is another great product of ours that offers years of great performance. All billet construction with a threaded stainless steel ball, this Corner Box looks and operates seamlessly. All our Corner Boxes now come standard with automatic capabilities, making pushing the box at least 50% easier than standard boxes.
Available in 7" and 8" sizes
New spring tension allows for 50% easier push
Hand made from U.S. billet aluminum and steel components
Machined in our state of the art facility in Canada
Patent Pending