Inquiry (采购产品): 3 groove b belt clutch need a 3groove centrifual pulley clutch. need engine to warm up off load. pulley end has to fit closest to engine hp 30-50 engine shaft dia. 1.5" rpm 1300-1500 idle 800-1000rpm pulley clutch dia. 7.75-8" **** Hidden Message ***** dan grasley Saskatoon, SK sk6s6 CAN Company: bridge city vac Title: owner E-mail: dangrasley@yahoo.com **** Hidden Message ***** dangrasley@yahoo.com