1966 gmc 4000
 

howdy folks , havnt been round for quit a while I joined when I got my early 60's C60 Dump truck . A bud gave me his old 66 GMC 4000 & came back to learn bout that truvck . It needs a master cylinder & havn't been able to even find a listing for a 4000 online , any of you folks have any ideas .
tks
animal