you will need 2 set of the 302040. and then cut one of the 302053 in half, or you can purchase 2 more of the 302032. you will also have to cut the hinge pins down
the solution on the servo mount:
a) don't use the botton hole of the servo where it hits the arm mount
b) if you look at the factory team instructions. the arm mount on the servo side has the t1r mount, where the screw taps into the mount and not an aluminium retainer.