hey cen fan , just call the guys at cen mike is great but so is everyone else . i run the rally and have been for about 2yrs and totally pleased. (way b4 everyone jumped on the band wagon) anyway i have taken my rally to the max . new era brace all the cen hop up ups and hoping new era will make aluminum arms in rally soon. yo cen racing why all the hype on the mt2 configuration we love the rally so get us some aluminum arms!!! cen fan get the 2 spd and the alu brake seat . then chng the bell crank bushings to bearing. after that get the alu steering rod and alu shocks. and last but not least put the smack down at your local track