Piston to Head Spec? Options

[Jetsetsurfshop]

I'm in the process of ordering some custom pistons and my Dad and I were thinking there must be a preferred distance from piston to head for the best combustion. Any thoughts?
(Its a 4, not a 6)
Thanks
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[Jetsetsurfshop]

Ok, let me see if I can address everyone here.

First off, its for a track car and we only run 98 octane fuel. So the having a compression of 10 to 1 wasn't a issue. It was what we wanted. I think I said it wasn't me that flycut the heads it was the PO.

Pin hight is already into the oil ring already and I want the compression ratio high.

I dont know who did the heads but they have monster valves and there's R.J. initialed on them.

last thing to address is that i will never cut your heads down this low. What Sturay and Dave said is correct. Check out the picture. The hole was there when we rebuilt it last year. We stuck some JB weld over the hole and ran it in dozens of HPDE's and one 14 hour Chump Car race. When we pulled the head the JB weld was gone and the exhaust stud worked its way out a little bit. We could of just pulled the head and did a quick repair but as a race engine we wanted to see the bearing and camshaft wear. (the web cam was pretty beat, fyi)
The plan is to run it for another year and order up some new heads then. Need to save a few bucks for those!