What to replace when doing a head gasket repair job

Perfect, this one is a bit out of my range for repair. So I'm taking it to a mechanic that I trust, and who is a wizard with Subarus. I was also thinking if the repair is going well and no major issues that I might have the clutch looked into. If a head is to warped do i have to buy a new engine or can they be replaced ?

They will plain it down or u can replace the head.

It's the perfect time to do the clutch, the easiest way to do the heads is to pull the engine anyway.

Exactly, do the clutch now ,spend the money...

Thanks everyone for the help. What should be replaced on the clutch? Its only at 100k

I would install a clutch kit which has a new clutch disc, pressure plate, throw out bearing, and pilot bearing (if used). Plus I would send the flywheel out to be resurfaced and inspected.