performance parts for 1990 gm dually w/ a bbc...

i was looking around on jegs and summit and ive got a few questions about some parts i seen....my truck is bagged,1990 chevy ext. cab 1 ton, i was looking for an energy suspension urethane bushing kit, bigger breaks (rotors, calipers, etc.)...i can obviously firgure out the engine part, its just the suspension and breaks im questioning, and also who all makes wheels for my truck....

anyone got anything at all????

Good Afternoon,

I was just wondering what kind of Bag Kit did you use on your truck?? I to have a 90 Chevy extended cab C3500 dually. And have been trying to figure out what kit i need to bag the truck. With out having to install a four link, or three link, and with out having to notch the frame??