Reference OEM Number:
36" shaft (3/4"DD Cut-to-Size) +U-Joint 1"DD X 3/4"DD + U-Joint 3/4"-30 X 3/4"DD + U-Joint 3/4"DD X 3/4"DD + 3/4" Bearing / Heim (with bolt)

Compatible Vehicle Models:
This (3) Black U-Joint Steering Shaft Kit with Support Heim and 3' steel steering shaft Replacement for GM Steering Box using 3/4"30 spline input shaft.
The first U-Joint goes to 3/4"-30 Replacement for GM steering box.
The second U-joint connects two sections of the 3/4"DD shaft (after you have cut to desired lengths).
And the third joint connects to 1"DD steering column.