No special tools required to do it my way, but it has to still work the same way. Adjust your valve, after adjusting the valve back it off 2 turns. Install .100 from you feeler gauge between the rocker and the valve tip and tighten your poly lock 2 turns. Turn the engine 1 complete turn(gently) if it turns you know you have at least .100 valve to piston clearance. I guess some could say you might be a redneck if you do this, but I have built several different combos and have never had any issues doing it my way!!!!!!!