Mini-Z’s simplicity is fascinating, but Philip felt the suspension tuning ability is very limited. At the time there weren’t any parts that allowed true camber gain and caster adjustment on the Mini-z chassis.  After years of extensive R&D, PN Racing finally released their Double A-Arm front suspension setup for the MR02 in 2004. This was a game-changer as the set up allows racers to easily and conveniently adjust camber, camber gain, caster, toe, and spring rate. Each can be so easily adjusted that it could be even adjusted between races.