well, there is no way a TR4 heatsink will work at all, the mounting on the SP5 for the heatsing requires that the HSF have the exact 6 screws in the exact pattern as the socket, and a very heavy plate. It has to do with the even pressure of the HSF to the socket, as well as being considerably bigger. I will have to use this noisy POS until I either go water (which I have no room for) or that Loricooler.com 2U-K45 becomes available or they reply.
Edit:
@ovidiu I ordered the one you linked at ali-express.
Edit2: See the difference here, spacing, size and male vs female