so I'm wonderin, I got a durablue +2 axle,, its stock for a banshee or +2 for a blaster,,, he gave me a extra spacer that i dont know where go's but he said if used on an older blaster i may need it... so A. where dose that go.. and B what stops me from using a banshee bearing carrier?? stock or aftermarket. im going to be buyin an aftermarket carrier anyway so I was thinkin mabey I should just buy a banshee one but would hate to get it and see it not fit.I:I