Rev-N-ator ignition boxes?

ya, i dont pull over 6 grand, this engine is in a 4x4 truck. would be nice to get a hotter ignition to allow larger plug gap's fort better throttle response and fuel mileage.. But this truck sure does scream, i've shocked alot of people with it. My buddy bought a 2009 chevy 2500 short bed 4 door 4x4 truck with the 6.0 liter vortec and we were pretty much racing to my house one night and he was shocked my old 1991 dodge ram half ton short bed truck was running neck to neck with him, and he has stock tires, i have a 4 inch lift and 33 inch tires.