Hey Marcus..
I used two rear drivelines off a 3905 and cut them to fit. They worked great and they were like $12.00.. Can’t go wrong... I've some close-up shoots of my installation in this thread..
http://www.rc-monster.com/forum/show...t=11681&page=2
Go the top of the page (post #16)
Hope that helps and congrads on a GREAT BUY.. You’ll love the G3..
Have a great one Sir..
Shaun.