Posted by jsmith on September 11, 02 at 16:59:50:
In Reply to: Hope you find out who they use posted by Ben on September 11, 02 at 10:39:27:
::What ZF and BHT use is a (baked) Nitride finish. It is thin, corrosion resistant and very durable. We use synthetic oils with these and the coating generally stays the life of the component. It must be applied correctly and yes it is an expensive process.
smitty