I have all the parts you need to widen your truck all brand new...the best way is called the "HPI way" with nitro rush arms
http://monster.traxxas.com/showthread.php?t=401849
I also have two sets of wheels that have all front rims that complete the widening project
I a set of masher 2000's and a set of anacondas
and the convertion is night and day diferance....much less flipping
http://monster.traxxas.com/showthread.php?t=401849