GSX 400 E S Twin Jet Kit

KVF 650 I BruteForce Jet Kit
GSX 400 E S Twin Jet Kit

GSX 400 E S Twin Jetting Kit Includes

  • GSX 400 E S Twin Main Jets 
  • GSX 400 E S Twin Pilot Jets                                      
  • GSX 400 E S Twin Needle Adjusters        
  • GSX 400 E S Twin Nylon Needle Spacers
  • GSX 400 E S Twin Slide Spring Modification
  • Drill Bits for
  • GSX 400 E S Twin Slide Hole Modification (optional)
  • GSX 400 E S Twin Idle Mixture Mod
  • GSX 400 E S Twin Intake Airbox Modification
  • GSX 400 E S Twin Exhaust Modification
  • Tuning Tech
  • GSX 400 E S Twin Bike Specs
  • GSX 400 E S Twin Carb Schematic
  • Carb Synchronizer Tool (how to build for $5)
  • Step by step instructions with photos for ease of installation.
  • Installation Support - If you need assistance we are there for you.

Please Select the Following Information

Stage 1-7
Air Filter Type
Exhaust Type
Altitude / Elevation Riding Range
Year, Make, & Exact Model
Other Mods, Brand of Exh/Int

    Please Include any more Information needed to Design your Jet Kit

This is a Custom Designed Performance Jet Kit.
We give a 100% Satisfaction Guarantee Refund on each Kit.
Fill out the information, and Engineering will design the kit per your specifications.