Complete carburetor performance in an all-inclusive kit. The CV Performance Tuner's Kit for Harley-Davidson motorcycles is far more than a recalibration jetting kit. By way of CVP's custom designed needle, spring, and vortex emulsion tube, the complete kit will unleash the full potential of your Harley's stock carburetor. Available for all constant velocity (CV) carburetors on 1989-2006 Harley Big Twin, Twin Cam, and Sportster models.

CV Performance Carb Tuners Kit includes:

• CVP Performance Slide Needle for Improved Midrange
  • Exclusively designed and sold by CV Performance.
  • CNC Machined from Aerospace Quality 7075-T651 Billet Aluminum
• New Custom Light Weight Slide Spring
• Custom designed specifically for CV Performance
• CVP Vortex Emulsion Tube
• Designed for optimal vortex fuel atomization.
• Precision CNC Machined
• Exclusively design, only available from CV Performance.
• Assortment of 2 New Main Jets
• Assortment of 2 New Idle Jets
• 2 Replacement Fuel Line Clamps
• Drill Bit for mixture plug removal and modifications
• Front airbox gasket
• Easy to follow installation and tuning instructions
• Online customer support provided via sponsored forum
• Stainless Steel Bowl Screw Kit

Included jets are predetermined for each model and may not be substituted. Each kit includes jets based on extensive R&D and real world road testing. If you require specific jet sizes and do not wish to use the recommended sizes supplied in each kit, please select the "Custom" model selection. Please indicate sizes for the 2 main jets and 2 pilot jet sizes in the comments section at checkout. Note that CVP is unable to provide individual support for kits using custom selected jets.