Alright, the kit includes -
Garlock supercharger gasket
3' of vacuum line
Instructions on paper and CD
L67 brake booster vacuum line
Idler pulley with custom standoff, bolt and washer
Throttle body gasket
Accessory belt (95.5" for '99+ with 3.8-4.2" pulley)
Autolite 103 plugs
That means you will need-
L67 idler pulleys, L67 idler stand off, L67 throttle body, L67 injectors, custom PCM, GTP balancer, L67 MAP sensor, L67 heads, L67 fuel rail, 2 head gaskets, head studs, MAP adaptor harness, bypass valve wiring, vacuum lines, brake booster line, supercharger gasket, throttle body gasket, lower intake gasket, lower intake Orings, supercharger belt, GTP valve covers, GTP valve cover gaskets, coil pack bracket for 99+ cars, M90 from an L67, lower intake from an L67, M90 bolts, and new rocker bolts. You'll also need a torque wrench, 3800 balancer pulley, and very powerful airgun to remove the crank bolt.
The internals of the non-HD transmission are nearly identical to the HD version. The differential is weaker but that is only stressed during launching. If you beat the crap out of it, it will not last very long.