7f33ac1a_ecp_cc__Value_Notes
[Part] KK1 [Value/Notes] 
This is the heatsink for the Vreg. I don't have a part number as I have piles of these around, so I haven't ordered one in a while. Keep in mind that this will need to dissipate over 6W of heat, so big is good.
ecp.cc
Value/Notes