450 or 463 kit?

[kfxrider35]

i was going to do a similat setup as doug gust but should i play it safe and go with the 450 or go bigger with the 463 i need an honest opinion.. let me know

[BlueZ440]

We have a friend that just did the 46? I'm pretty sure they are racing it this weekend..I make sure the post some info for you..

[kfxrider35]

kool yea im going to race and im only putting the best in it.