The BDA was originally developed by Cosworth in association with Ford in 1969. Since then it has been used in many different configurations for many different racing classes. Today the ‘BD' resurgence is bigger than ever and at Kelford Cams we still make many sets of these camshafts for all applications.
This is a mix of popular profiles from the past, and some new maximum velocity profiles that we have found work really well. RPM range and optimum lobe centrelines will vary depending on engine combination.