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HPOP installation is a piece of cake...you might want to relocate the EBV tube off the front plate while you're at it...I wish I did. It's a thin plate to be wrenching on without braking the seal.
Just be careful to not drop anything while you have the gear exposed. If you run into trouble just post up a question on here...lots of us have had HPOP issues and I expect you'd get an answer in no time.