i have two yourks right now. one is frozen the other needs a new clutch. does anybody make a rebuild kit for them? also will the medium stroke still run air tools? they are both medium stroke. and does anybody have a clutch i can buy? Grant 1974 Chevy Blazer Cheyanne. but it is on 33's now, with saggy old springs. i am in Yuma Arizona if ya got any parts for me.