Damon Converse builds these kits. he has beeb working on them for a while. they come with Alumium bulkheads, one pieice shaft, alumium steering rack. you will need TC3 diffs, bearings, dogbones, rear hubs, "C" hubs, steering knuckles, turnbuckles, ballstuds, ballcups etc.
the kit is made for the serious racer. there is some hand fitting needed.
as for driving the XL-R8. they run a 4/2 setup on the batteries. they are taped in. also the motor is on the left side. you will need small electronics.
they drive great on carpet/foams they also have alot of turn in at the corners. I have watched them during testing and R&D.
as for buying one I'll call Damon and let you know.
Team Tekin, KoPropo, Power Push Batteries, Tempgun.com
PROTECT ME FROM THE THINGS I WANT.
THAT WHICH FEEDS ME DESTROYS ME.
Life is short - live it! Your only old when your dreams are replaced by regrets.