Throttle Return Spring Kit For QFX lightening The SB003 gives you a

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

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

These BBK Premium Quality Exhaust Header Gasket Sets Are Designed To Give You a Quality Long Lasting Seal

and all necessary hardware

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

Throttle Return Spring Kit For QFX lightening The SB003 gives you aThrottle 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.