Quote Originally Posted by Crevice Reamer View Post
Syil might have the 5K RPM pulley available, or maybe Novakon. Also, the tach on your SX3 will not read the higher RPM from your new pulley unless you modify it.

CR.
Thanks for that finding and modifiying the pulley should not be a prob as I'm a fitter/tuner /welder we even have a set of broaches at workbut the mod on the tach have you or could you point me to more info?