» Welcome to the Piper Cams Section: As a dealer WMS can supply and fit piper cams. Including Motorcycles. » Piper Cams are one of Europe’s most successful and experienced performance camshaft designers and manufacturers. Our experience spans more than 30 years servicing high calibre customers in research, top level motor racing and the mainstream motor industry, all on a strictly confidential level. We offer a full service from the design and development of the profile and valve train, right through to CNC manufacture with full inspection facilities. Our state-of- the-art equipment allows us to work to the tightest tolerances in the industry. We also have the facility to re-machine cams to an existing profile.