I have to be totally honest and say I do not know if they are compatable, maybe some one on the forum may know, the car was my sons who purchased a Caster and took a couple of bits off for a mate for spares during a race day as he was in the mire. there is an almost complete shock repair kit, and almost a complete car that he was racing and had no problems with. also has all the spares he had for it, some parts may have a bit of wear but most will be usable. i.e chassis, shocks, diffs etc.
all i can say is there is a lot of parts for the price and if compatable well worth the money