Are you trying to find their web site?
http://www.rsmfg.co.uk/page21a.htmlSomething seems a bit flaky to me. I'm not sure when they are reselling other peoples stuff, building their own, or whether they really have anything to sell at all really. Looks like a bit of a dreamer.
Copying a bunch of photos off the internet of "cool" cars isn't a great start. As an example, on their "roll cage" page, they seem to have used a photo of an Avalanche Engineering Sniper chassis from the late 90's or so. I wasn't able to find the same photo quickly, but the chassis sure looks like a sniper to me.
That makes me suspicious, and makes me wonder how much of this stuff they really done.
Pricing seems a bit hopeful too. $140 for a full float axle (albeit in a non-specified material) seems unlikely, regardless of material, especially considering the cost of living in the UK.
Just my 2C. The ideas look sound, but they are all stuff we've seen before, just in less detail and for less money.