
350 S. St. Charles St. Jasper, In. 47546
Ph. 812.482.2932 Fax 812.634.6632
www.ridetech.com
Part # 11322899
78-88 GM “G” Body Lower StrongArms
For Use w/ Shockwaves or CoilOvers
Components:
1 90000657 Driver side lower arm
1 90000658 Passenger side lower arm
2 90000896 Ball joint
2 90000572 Inner bushing sleeve
2 90000573 Inner bushing sleeve
4 90001085 Poly bushing half
4 90001089 Poly bushing half
4 90002062 Aluminum spacer – Shock to lower arm
4 99250001 ¼”-28 grease fitting – Use Lithium grease on frame bushings
Hardware:
2 99501024 ½”-13 x 3 ¼” Gr.5 bolt Shockwave to lower arm
2 99502001 ½”-13 Nylok nut Shockwave to lower arm

Installation Instructions
1. After removing the factory lower
control arm, clean the bushing
mounting surfaces on the frame and
lubricate with lithium grease.
2. Fasten the lower arm to the frame
with the factory hardware.
3. Swing the lower StrongArm up to
the shock and secure with the ½” x 3
¼” bolt and Nylok nut, an aluminum
spacer must be installed on each side
of the bearing.
4. Slide the ball joint boot over the
stud, then push the stud up through
the spindle. Secure w/ the new castle
nut and cotter pin supplied.
5. Grease the ball joints.
6. Lubricate control arm bushing with
Lithium grease.

Item # Description Qty.
1. Driver side arm 1
2. Ball Joint 1
3. Inner bushing sleeve – narrow 1
4. Inner bushing sleeve – wide 1
5. Poly bushing half – wide 2
6. Poly bushing half – narrow 2
7. Aluminum bearing spacer 2
8. 1/2”-13 x 3 ¼” bolt 1
9. ½”-13 Nylok nut 1