k frame swap ?

needed to replace this messed up kframe


so i got a smokin deal or so i thought on a mint small block k frame apparently its a 67 only kframe with the sway bar and the goofy idler arm.
My question is should i just rebuild the enge tower or rebuild the idler arm mount?

Doin the engine mount seems a lil more feasible

Is the 67 k frame worth anything?