I changed my diff ratio in my XC from factory 3.00:1 to 350:1 and looked around for the gear set for the cable mine came out of a transit van. They are colour coded so one would assume that Cleveland,C4 and 323:1 isnt out of the question as a factory combo in something. Try Fishop Falcons in Adelaide
Did you convert to or from power steering? If so the inner shaft can be tapped up or down in the later XD onwards so it may be the case with XB also to suit the different position of the steering box coupling