
350 S. St. Charles St. Jasper, In. 47546
Ph. 812.482.2932 Fax 812.634.6632
www.ridetech.com
Part # 11226110
64-72 GM “A” Body Rear SA CoilOver Kit
For OEM Rear Differential
Shock Assembly:
2 24159999 5” stroke single adjustable shock
2 90002024 1.7” eye w/ rebound adjustment
4 90001994 .625” I.D. bearing
8 90001995 Bearing snap ring
Components:
2 59120225 Coil spring – 12” long / 225 # rate
2 90002222 Spring retainer kit
8 90002043 Aluminum spacer - .5” I.D.
4 70010828 Delrin Spring Washer
2 90002327 Upper shock bracket
1 90002224 Driver side lower ShockWave bracket
1 90002223 Passenger side lower ShockWave bracket
Hardware:
4 99311001 5/16”-18 x 1” Gr. 5 bolt Upper bracket to frame
4 99312001 5/16”-18 Nylok nut Upper bracket to frame
8 99313002 5/16” SAE flat washer Upper bracket to frame
2 99501027 1/2"-13 x 3 ¾” SAE bolt ShockWave bracket to trailing arm bracket
4 99501002 1/2"-13 x 1 ½” SAE bolt ShockWave bracket to factory shock bracket
4 99501003 1/2"-13 x 2 ½” SAE bolt ShockWave to upper and lower bracket
10 99502001 1/2"-13 SAE Nylok nut Lower ShockWave mount and mounting
10 99503001 1/2" SAE flat washer Lower ShockWave mount

4. Remove the lower trailing arm
mounting bolt. (Do one side at a
time to keep the axle from rotating).
5. Install the longer ½” x 3 ¾” bolt
through the lower trailing arm from
the outside in. Install the lower
bracket over the bolt and secure with
a ½” Nylok nut and flat washer.
6. The lower bolt hole in the back of
the bracket will align with the factory
shock stud hole. Use a ½” x 1 ½”
bolt, Nylok nut and flat washers.
7. The upper hole must be drilled
with a ½” bit. The edge of the
bracket should be parallel to the axle
bracket. Use an centering punch
and 1/8” bit to drill a pilot hole. A ½”
x 1 ½” bolt, Nylok nut and flat
washers will be used here as well.
Installation Instructions
1. Raise and safely support the vechile by the frame rails.
2. Using a jack, slightly raise the axle approximately 1”. Remove the shock absorbers.
3. Lower the axle down enough to remove the coil springs.
4. The exhaust tail pipes may need to be removed and/or modified for ShockWave installation.

9. Assemble the spring onto the
Coilover. Assembly is explained on
the next page.
10. Fasten the CoilOver to the upper
bracket using a ½” x 2 ½” bolt and
Nylok nut. ½” I.D. aluminum
spacers must be installed on each
side of the bearing.
11. Fasten the CoilOver to the lower
bracket using a ½” x 2 ½” bolt and
Nylok nut. ½” I.D. aluminum spacers
must be installed on each side of the
bearing.
12. Ride height on this CoilOver is
14.5” from center eye to center eye.
8. Fasten the new upper shock
bracket into the factory shock
location using the 5/16” x 1” bolts, flat
washers and Nylok nuts supplied.
Note: Position the bracket to offset
the shock toward the center of the
car.