Roll bar rear stays and cross bar

[DaveyB]

Hi,
Thanks for the reply that's very helpful thought it might be ok .
I wandered if you could also tell me the best way of mounting seats. I want to put them on a adjustable bracket should I mount them to a piece of flat mild steel say 5mm thick and 50mm wide that could be drilled and tapped and use fasteners thats welded to the chassis or should I go for box section that could have bolts right through the box and floor if you get my drift!
And any idea where I could get seats basic fibre glass shells, is also a problem I you can't try first. Do any seat companies attend shows ?
Sorry for the long question.

Any help would be greatly appreciated.

Thanks
Daveyb