Belt Drives Ltd. Parts & Accessories

Belt Drives Ltd. are an American manufacturer specialising in belt primary drive conversion kits for Harley-Davidson. The range covers open and closed primary belt drive kits, clutch assemblies, starter ring gears, and motor plates for Shovelhead, Evolution, Twin Cam, and Sportster engines.

Switching from a chain primary to belt cuts maintenance significantly and runs quieter. Belt Drives Ltd. make the conversion straightforward — kits include everything needed and are engineered to handle high-output engines without issues.