HBS 4-Pin Center for 10" wheel Tools Hyper Racing's exclusive Jacob's Jacker

Hyper Racing's exclusive Jacob's Jacker ® (patent pending) is a system that allows the remote adjustment of the Jacob Ladder's roll center while you are in the cockpit on the race track

Or download and print the form and fill it out by hand

If the car needs a higher center of gravity to increase

Micro/Mini Sprints

It includes the 42-120 raised fuel cap assembly

HBS 4-Pin Center for 10" wheel Tools Hyper Racing's exclusive Jacob's JackerHyper Racing # 25 650 Fits the 4 pin, or 4 bolt hubs. This center is 1 2" thick, black anodized with post machining. 1 2" holes for the wheel studs. Fits 2 1 2" diameter center hub for location.