a-arms please help out,ASAP

[JDiablo]

i was wondering wat size a-arms i should get 3+1 or 2+1,hrry i need to no in about an hr or so,my mom asked me wat i wanted to for christams cause she is doing her shopping,well ordering today.

[4wheelboy]

what kind of rididng do u do. and your going to need shocks;)