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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

Showing reviews 1-4 of 65 | Next

  1. What a differance

    Posted by on

    Installed this kit with the CVP recommend jets along with a new HD slide.... Wow, a great improvement.

  2. Great Product!!!

    Posted by on

    This kit was exactly what my 96 Dyna needed. It not only got rid of the throttle hesitation but also gave the bike great acceleration. Thanks to the video and the instructions, the kit was pretty simple to install.

  3. Much needed improvement

    Posted by on

    The deluxe kit was just what my 96 dyna needed. It got ride of the hesitation and gave the bike a great throttle response. The installation was pretty easy thanks to the video and great instructions. Overall, I couldn't be happier...

  4. Truly Amazing

    Posted by on

    Purchased this last week, was supposed to go to the range and sent some lead down range. Plans fell through, so I thought to myself "Ill just install my carb kit"

    Now I wanted to tackle this with a friend as I've never dug into a carburetor and was unsure how to approach it. But made the hasty decision to tackle it myself as they would just get in the way.

    So I Read the clear simple directions from CVP one time, and my memory took over. The provided chart was spot on. Hardest part of the install was getting the throttle cables back on the throttle body, I have pretty big mits...

    After week of rolling with this kit on, all I can say is wow. This really woke my bike up. After going stage one I noticed upon deceleration my bike would pop incessantly and it got to the point it was plain annoying. Now that problem is gone. The bike has a huge amount more of low end torque and at WOT(wide open throttle)70-90mph goes by in a flash. Setting the right mixture was a first try for me. What made it so easy was the ez-justĀ© mixture screw.

    Saw an improvement in gas mileage which was also kindly welcomed. I'm now comfortable with Harley CV Carbs and Id gladly do this for a friend.

    Overall I am astonished the amount of difference this product made and I will gladly show CVP more of my wallet...

Showing reviews 1-4 of 65 | Next

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