Like Bruce says, all of the normal service parts are the same for all 3 and 4 speed Saggys. Gaskets, needle bearings, seals, blocking rings, etc. Only the actual gears differ. I've always done business with The Gear Zone in Florida
www.gearzone.net They will give you excellent service and recommend other suppliers who can provide you with gears and sliding hubs, etc if you need them, as Gear Zone does not stock them.
