Throttle Return Spring Kit For QFX lightening This control arm set features

This control arm set features polyurethane bushings on one end and UMI’s swivel Roto-Joint on the other

The SB003 gives you a 149% increase in rate over the stock bar (depending on year and model)

For even more adjust ability - we recommend a BBK kit that includes a billet aluminum firewall adjuster

and all necessary hardware

use Proform's Air Hold Adapter Set with and air compressor to do the job properly

Throttle Return Spring Kit For QFX lightening This control arm set featuresThrottle Return Spring Kit For QFX Made from laser cut stainless steel to virtually eliminate flex. Positively locates itself on the main body of 4700 QFX carburetors. Comes with brass bushings and stainless hardware for easy installation.