Opinions on this setup
Get the best heads you can afford or get your 243's ported. Heads are where the power is made
For out of the box heads I would get CNC'ed TFS 215's and a cam to match the N2O shot and CR you are running. The aftermarket heads have a thicker deck so if you are gonna spray a big shot that is something to consider. I would do head studs too.
For out of the box heads I would get CNC'ed TFS 215's and a cam to match the N2O shot and CR you are running. The aftermarket heads have a thicker deck so if you are gonna spray a big shot that is something to consider. I would do head studs too. 
