[Lee]

Originally Posted by Chrislong

I am answering this from work, so I don't have the manual to go and look at until I get home - will do my best.

Hexes: They do come with the kit, you don't need to buy them separately.

Pistons, 1 pair of 2 hole, 1 pair of 3 hole. Now you ask, perhaps I need to order a selection.

The U2251 quick clip, thats for the adjustment of wheelbase - done on the inboard rear hingepin.

Not sure on springs, I have no old ones to compare the new ones with. Perhaps Mike Williams, Mossy or Matt White can answer this - id only be guessing.

Hey Olivier, No worries atall, hope you do choose an SX - it is an amazing car!!!

Chris, what is better the CAT SX or your new Mrs