have a 1985 fxef it´s engine is stock can´t blow it up stock clucths suck have pro 1 reviera racing clutch it is one of the fastest stock harleys i have ever rode. chain drive front and rear take 51 tooth rear off go to 47 tooth 153 mph. put on rear 74 ooth u don´t want to race . have 78 wideglide front end to help holddown front tire 21.in might would sell it ???