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Harley Carb Premium Tuners Kit

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The Premium Tuners Kit includes everything in our Deluxe kit + our Stainless Steel Extended Idle Screw and Mixture Packing Kit. Complete carburetor performance in an all-inclusive kit. The Premium 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. Also includes an assortment of jets, s/s hardware, gaskets, and full tuning instructions. The Premium kit includes the EZ-Just mixture screw found in our Deluxe kit plus our exclusive stainless steel idle screw and mixture packing kit. 

Save up to 30% when purchasing a Premium Kit.    Special through - only $76.95
and free shipping (regular mail)

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


  • CVP Performance Slide Needle for Improved Midrange
    • Exclusively designed 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 and Premium 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


  • CVP Stainless Steel Extended Idle Screw
  • Mixture Packing Kit (replacement o-ring, spring, washer)
    Idle Speed Screw          Mixture Packing 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.

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Product Reviews

Showing reviews 1-4 of 73 | Next

  1. CVP knows harley carbs

    Posted by on

    Have had my 96 evo ultra for a year and it's always popped and farted.
    After a rocker failure I went to an ev27 cam and it still ran the same and felt like it fell flat when I got on it a little.
    After reading reviews about this I thought I'd give it a shot. I ordered a new slide and rebuild kit as well to cover all basis.
    After I took the carb sort I learned it had a dyno jet slide it it which I changed to stock and followed the recommended jetting in the directions.
    From the second I fired it up I could tell the difference. Better throttle response, more power, more torque, no popping and farting. Coming from riding crotch rockets and renting new touring bikes for the last 5 years this is the first time I've been truly happy with my bike. Don't waste your time with gimmicks. If your looking for great real world performance and reliability this kit is it.

  2. Great Kit, Easy to install!

    Posted by on

    This is a great quality kit at a great price! I used the on-line, clear and easy-to-follow video instructions, and the installation was quite simple. The hardest part of the job was figuring out how to remove the (friction fit!)carb from my Sportster's 883 intake manifold. The EZ-Just Mixture Screw and the Extended Idle Screw are really nice features in the Premium Kit, and they are well worth the extra money over the basic kit.
    I decided to buy this kit after I read all of the positive reviews from a whole lot of satisfied customers. Now I'm writing this review because I, too, am a satisfied customer.

  3. Very happy

    Posted by on

    I have a 1999 dyna super glide fxd had an intake leak fixed that first then installed the premium cv Carb kit and the the V-Ductor . Carb kit was so simple I adjusted it first shot the bike f-----g never run so good thing rocks now thanks CVP nice products. Thanks bill

  4. WOW!

    Posted by on

    My Sportster 883 shoots off the line, lot's more horsepower, no more carb farts. Choke use is reduced by a ten factor. Buy this product!

Showing reviews 1-4 of 73 | Next

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