[fredscarryall]

Here are the measurement I have actually measured and just some info I collected you probably won't need it all.

S10 zr2 Wms to Wms is 63" 8.5 axles

S10 4x4 Wms to Wms 58" hard to find in gov locker 7.5 and 7.62 and some 8.5 axles

S10 2wd Wms to Wms 54.5 7.5 and 7.62 axles

Center of spring perch to center spring perch is 38 1/2"

Option codes to s10 for rear axles found in glove box door or drivers door sticker
G80 gov lock locker
Gu1 2.41
Gu2 2.73
Gu3 2.93
Gu4 3.08
Gu5 3.23
Gu6 3.42
Gt4 3.73
Gt5 4.10
Hc4 4.56