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CVP Harley Carb Deluxe Tuners Kit

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Complete carburetor performance in an all-inclusive kit. The CV Performance Deluxe Tuner's Kit w/EZ-Just 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. Also includes an assortment of jets, s/s hardware, gaskets, and full tuning instructions. The Deluxe kit includes the EZ-Just mixture screw. 

Available for all constant velocity (CV) carburetors on 1989-2006 Harley Big Twin, Twin Cam

Deluxe CV 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.
  • EZ-Just Mixture Screw (Deluxe kits only)
  • 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. Kits are for Harley CV carburetors only and will not fit non Harley (CVK) style carburetors used on other motorcycle makes.


Not compatible with DynoJet® parts or DynoJet® Slides.


Product Videos

CV Performance Tuners Kit part 1 ()
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Product Reviews

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  1. Awesome

    Posted by on

    I can't believe how much difference this made in my bike, runs like a BEAST!!! I am so anxious for the snow to be gone to get out and run her.

  2. Worked for me !

    Posted by on

    Simple but works..Bike runs fantastic..

  3. Better results than expected

    Posted by on

    WOW! What a difference in my 1994 FLH this kit made. I've always done things to add air in but except for a carb kit I installed about 15 years ago never much to add gas to the mixture. This kit really upped the performance a TON! Now, when I get go through the gears wide open I'm at about 90mph when shifting into 5th gear. I highly recommend the Deluxe Performance kit. These guys know what they're doing.

  4. Super Performance Awesome Upgrade

    Posted by on

    I purchased Deluxe Tuners Kit and what an awesome upgrade! All items in the kit fit correctly and work. Performance is outstanding on my 1996 EVO 1340. This kit help my bike run so good I wish I had a sixth gear to shift to when traveling on interstate!!!

Showing reviews 1-4 of 73 | Next

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