kevinpratt823:
Go for a standard size servo. It will hold up far better.
I run this servo horn.
http://www.rcmart.com/hudy-hsp293493...cPath=1099_808
The kit does include one set of wheels (without tires)
Pinion range for a 6.5 should be in around 18,19,20 for indoor tracks.
I run 19 on a 6.5.