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Billy Boy Primary Cover For Evos and Twin Cams

By June 23, 2014General Posts


Inspired by panhead and knucklehead tin covers, EMD’s Billy Boy primary cover is designed to give true vintage style to your modern bike. Cast in aluminum and featuring CNC-milled gasket surfaces for a perfect fit to your OEM inner case, the Billy Boy primary cover fits all EVO Big Twins and Twin Cams. Billy Boy covers are available in Raw with chrome Derby Cover, Black with black Derby Cover, and Black-Chrome with chrome Derby Cover.

Air filters, rocker, cam and tranny covers are also available from EMD to radically restyle any Big Twin and XL model. Check them out at or call 916-872-3189.