
CHEVY / GMC / HUMMER
Step1: Use the Chart below to find your application.

1 Suburban kept 10 bolt front and rear ends until 1991. Keep in
mind spline change in 1989.
2 If vehicle was manufactured in
1989/90 check spline count to determine which model is needed.
3 Some 1988 and newer trucks use a unique Dana 70-3HD. Special
fitment is required.
4 1999 and newer axle shafts may need
.005" dia. removed for proper fit.
5 4.56 & UP ratios must use
'thick' type high offset gearset.
6 See performance section of
this guide for non-standard upgrade model(s) available for this
application.
Step2: Enter the corresponding Part Number (Example:"RD116") below.
