RHS or EDDY

Exactly what OW&CG said.

I know it may seem like money thrown out the window, but take your J heads and put them on a flow bench to find out exactly where you stand. For a small price, adding more porting (If need be) to the J head may be better for the perameters your engine is in, what your doing in general, driving perameters.

3,55's and a 28 inch tire does not sound like a strip machine to me.