Where can I find a centrifugal clutch for 7/8" shaft, sprocket not pulley.?
http://www.hoffcocomet.com/comet/oem-cen trifugal-clutches.asp

http://www.hoffcocomet.com/comet/oem-cen trifugal-clutches.asp

and enjoy! ... Forced Induction Supercharger blower roots twin screw type centrifugal pulley holley whipple eaton ford chevy dodge cummins diesel ...
Self built to enable casting of pulleys and other round objects requiring good grain structure. Can also be used to cast non-axisymmetric shapes ...