Coz, I don't think it's on there anymore. When I got the demon for the 434 they had a link where you filled out a questionair and they got back to you in a day or so with their recommendation. I guess you just have to write or call now. I would guess they would be good about getting back if you e-mail them. They will need to know as much info as you can give them; even things like the weight of the car, tire size and how you intend on driving it.
http://www.rc-tech.net/cars/panttransam/1905/434pd2.jpg
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