
350 S. St. Charles St. Jasper, In. 47546
Ph. 812.482.2932 Fax 812.634.6632
www.ridetech.com
Part # 11323699
78-88 GM “G” Body Upper StrongArms
Components:
1 90000429 Drivers side arm
1 90000430 Passenger side arm
2 90000899 Upper ball joint
2 90000436 Cross shaft
4 90001599 Inner bushing sleeve
4 90001090 Poly bushing half
4 99250001 ¼”-28 grease fitting – Use Lithium grease on frame bushings
Hardware:
4 99563001 9/16” USS flat washer Installed between bushing and shaft
4 99603003 5/8” USS flat washer Installed between nut and bushing
4 99622005 5/8” SAE crimp locking nuts Cross shaft to bushing

1. Fasten the upper arm to the frame
using the factory hardware. Reinstall
the current alignment shims, but
vehicle must be realigned.
2. Drop ball joint down through upper
arm. Slide ball joint boot over stud,
then place boot retainer over the boot.
Clamp assembly tight w/ the hardware
supplied.
3. Fasten the ball joint to the spindle
w/ the new castle nut and cotter pin
supplied.
4. Tighten the cross shaft nuts enough
to create drag on the poly bushings,
the arm should still move.

UCA5000 S-10 UPPER CONTROL ARM
PASSENGER SIDE
FRONT OF TRUCK
9.313
3.375
NOTCH FACES OU TWARD
TOP VIEW
8.063
BALL JOINT POINTS DOWN
BOLTS IN F ROM TOP SIDE
FRONT VIEW

Driver Side – Top View
1. Passenger side arm 1
1. Driver side arm 1
2. Cross shaft 2
3. Cross shaft bushing 4
4. Inner bushing sleeve 4
5. 5/8” USS flat washer 4
6. 9/16” USS flat washer 4
7. 5/8”-18 lock nut 4
8. Ball joint 2
9. 1/4"-28 x 7/8” hex bolt 8
10. 1/4"-28 nut 8