Anyone know if the OEM top hats are the same in the front and back? I've got a buddy looking up some Moog OEM replacement ones and he can only find the rears, are they not the same thing as the front? They look identical and i know the extended top hats are the same for all 4.

Can i just order 4 "rear" top hats and use 2 for the front?

 

Not the same. The rears have a sealing ring and maybe a slightly different upper surface.