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, and complete tuning kits for your Harley-Davidson^® CV carburetor.

Featured Items

Harley EZ-Just mixture screw from CV Performance

EZ-Just Mixture Screw

Harley Carburetor Main Jet

Harley Main Jet

Harley Carburetor Pilot Jet

Harley Pilot Jet

Harley Carburetor Vacuum Slide

Harley Vacuum Slide

See what others are saying about CV Performance

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Overall Store Rating:

Great parts and service - by Alex R.

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

CV Performance helped get my Harley running like it should have from the factory. Thanks!