Pistons

I have a 76 308, I am putting on some performers with 2.02 intake and 1.6 exhaust.

My question is, how do I tell which piston I need?

Like I said, it is a 308, 2.02 intake 1.6 exhaust, and forged is what I want (obviously)

Any links to help, or direct links to pistons needed would be awesome.

Thanks