Yes, get a bigger cam.

I wouldn't sudjest going too big, and when you get the pistons make sure that you check the piston to valve clearance as it is very tight, and you may have to machine the valve reliefs to give more room with the bigger cam.

Oh, don't buy from howell automotive. They will just fuck you over. I won't get on that rampage now, just take the advice and get all this from a local shop so you can deal face to face, and a lot will match the prices of most of the online places.

Built block.
Refinished head.
Tuned suspension.
TURBO.