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

Kawasaki KLR650 CVK40 Carburetor Slide 43028-1062

CVK40 Vacuum Slide for KLR 650

Harley CV Carburetor renewal kit

Harley CV Carburetor Basic Renewal Kit 92-06

Harley Carburetor Main Jet

Harley Main Jet

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!