Originally Posted by Besercoe

In a pinch a number of parts would fit, caster blocks, steering knuckles, rear uprights, rear belt (not sure about front), spool, diff (although the dobgone ball is larger, will need to run the xray universals too), perhaps centre pullies.

However in my area a lot of Xray drivers have been putting ARC spools in for their durability, as well as rear belts.