Improve the performance of your Harley motorcycle

CV Performance helps riders like yourself achieve the full performance potential of their Harley and American V-Twin motorcycle with our quality CVP brand products.

CV Performance produces the Original EZ-Just mixture screw, slide needles, jets, the latest design in vortex delivery emulsion tubes, and our complete tuning kits for your Harley-DavidsonĀ® CV carburetor.

From The Blog

High Flow Fuel Valves

Providing an adequate supply of fuel to your stock, aftermarket, or well tuned carburetor is crucial to achieving maximum performance out of your...