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 high quality intake products.

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

NEW! We now offer a full line of Harley Fuel Injection Parts including fuel injectors and sensors. 

Products not for use or sale in California


CV Performance Blog

See what others are saying about CV Performance
Overall Store Rating:
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Great parts and service - by Alex R.
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These guys know their stuff and it shows in the quality of their parts. Tech support articles and video made installation super easy. Thank you.

​Awesome products - by Jason
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CV Performance helped get my Harley running like it should have from the factory. Thanks!