A few things that I had on my 98 Extended cab S-10 were
Flexalite electric fan
http://www.flex-a-lite.com/
Powerdyne supercharger
http://www.powerdyne.com/
JBA Headers
http://www.jbaheaders.com/
HP Tuners Tuning software
http://www.hptuners.com/
With these, a torsen diff with 3.73's I was able to run high 13's with a 3600lb weight.