The team at GM Performance Parts has a few screws loose if you ask us – but that’s just the way we like them. Without their noggins being properly bolted together, they come up with performance packages like the new LS9 Supercharger Package which just screams insanity. If you’ve been searching for some type of power adder to bolt up to your LS3-powered Chevy since you drove it off the lot, the search is over. This bad boy of a kit will make your factory monster LS3 V8 seem docile…