LS swap frame side engine mounts

I need new engine mounts since I had to swap frames for the 07.

My swap was an RPMExtreme kit using Jon's frame side engine mounts which use the GM engine isolators.
His mounts are $299 + $31 to ship


I've PM'd Motech and JohnP to figure out who I'd get the frame mounts from now; waiting on replies.
Neither website is easy to figure out a price/availability. Also not sure if they can use the GM engine mount, or what exactly I'd have to change to use theirs.
ETA: JohnP said they have...

LS swap frame side engine mounts