What are some of the best main components i should be looking at when upgradeing my suspention

 

Lower control arms and an adjustable Panhard bar. If you don't mind welding, you should definitely have the subframe connectors but a replacement adjustable torque arm is a good bet. There are two types of torque arm. One that mounts like standard but with a poly mount (BMR, Random Technology)or one that mounts to a crossmember to take the stress off the standard mount (Spohn). There are upgraded types that mount on a crossmember that welds to the SFC's. These will locate your back axle and cut down wheel hop and tire spin.
For handling, you should uprate your sway bars to at least 32/21mm and change your stock shocks to a quality shock like Bilstein or Koni. HAL's are supposed to be good but I heard bad things about instructions and bolts that they don't supply. You can fit a set of lowering springs but if you do, you'll need lower control arm relocation brackets as well or you'll defeat the traction improvement.
You could also get a shock tower brace but whether it adds anything is debatable.

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The Star-Spangled Hammer - '98 Onyx Black Euro-spec Z28. 2.73 axle. EGR mod.
"He who is without the capability is destined to ride forever in the shadow of the victor"
"There is a very fine line between hobby and mental illness."

 

LUS1fer gave a good reply. If you need more info and/or would like help/advice..feel free to drop me an email. I'll be happy to answer your questions

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