I just bought two kits today from SuperATV , that is 11 kits so far I have from them on atv's that are running and in the yard , 6 - 300 fronts , 2 - 450 fronts ( same kit ) , and 2 - 450 rears and one kit I am going to use as a Guinean pig to make a rear disc kit for a 250/350 rear end in a 300 ---- right now if you go with SuperATV and call in the order and us Rocktober you can get a kit for $207 and free shipping , their usual price is $229 , Highlifter is $260 and the LBZ "generic" special is $199