318 to stock 340 power level questions.

I realize I will have a port mismatch with the cast iron 340 intake and the 318 heads but it is something I will have to live with.

So, for a came you are recommending one of these?

http://www.summitracing.com/parts/LUN-60403LK/

http://www.summitracing.com/parts/LUN-60402LK/