Originally Posted by salze145

as commented raman, basic parts are:

-body, body posts and bumper with dense foam.
-Quality tyres (SP, GRP, PMT, ...)

A good setup to start:

-Dense silicone oil in front diff (500000).
-Rigid axle (or 500000 oil) in the center diff.
-10000-15000 oil in rear diff.
-Ground clearance: 0.8 to 1.5 cm
-3º Rear toe-in
-1º front toe-out
-2º rear camber
-1º front camber
...