If you were looking to get some new springs fabbed, this is info on the stock '99 springs.
Front torsion bar springs-
Diameter- 1.14"
Length- 47.95"
Wheel rate- 3.73 kg/mm
Capacity- 1097 lbs.
Rear coil springs-
Free height- 15.83"
Wire diameter- 0.41-0.53"
Coil caliber- 4.14"
Effective number of turns- 9.18
Total number of turns- 10.68
Wheel rate- 4.8 kg/mm
Capacity- 1238 lbs.
The fabber would probably wanna see these '99 figures also.
Curb weight- 3955 lbs., 2026 lbs. front, 1929 lbs. rear
Loaded weight- 4255 lbs., 2146 lbs. front, 2109 lbs. rear
Gross vehicle weight- 4652 lbs., 2176 lbs. front, 2476 lbs. rear
Gross axle weight- 2194 lbs. front, 2476 lbs. rear
Gross payload- 697 lbs.
Mark