Yea you shouldn't have a problem swapping that stuff out. Swap the HD Diff and cover, and the chain set. You'll need valve body gaskets and channel plate gaskets but other than that you'd be fine.

Quote Originally Posted by 99pgpgt View Post
Yeah that's no problem.. Just be easy on it
I have a "non-hd" that's been converted to an HD in my GTP now and I'm close to running 12's on it. You don't have to be easy on nothin.