
350 S. St. Charles St. Jasper, In. 47546
Ph. 812.482.2932 Fax 812.634.6632
www.ridetech.com
Part # 11052899
58-64 Impala Front Lower StrongArms
For Use w/ Shockwaves or CoilOvers
Components:
1 90000474 Driver side lower Arm
1 90000475 Passenger Side Arm
2 90000676 Cross shaft
2 90000677 Cross shaft clamp
4 90000906 Lower control arm bushing
1 90000476 Driver side steering stop
1 90000477 Passenger side steering stop
2 90000904 Ball joint (includes boot, castle nut & cotter pin)
2 99250001 ¼”-20 grease fitting for ball joint
4 90002062 Aluminum bearing spacer – Shock to lower arm
Hardware Kit:
2 99371011 3/8”-16 x 6 ½” bolt Sway bar end link
2 99372002 3/8”-16 Nylok nut Sway bar end link
4 99311001 5/16”-18 x 1” bolt Steering stop to lower arm
4 99313002 5/16” SAE flat washer Steering stop to lower arm
4 99312003 5/16”-18 Nylok Nut Steering stop to lower arm
4 99431004 7/16”-20 x 2” Gr.8 bolt Lower arm cross shaft clamp to frame
4 99431006 7/16”-20 x 1 ¼” Gr.8 bolt Lower arm cross shaft to arm
4 99503004 1/2" Fender washer Lower arm cross shaft to arm
8 99433003 7/16” lock washer Lower arm cross shaft & clamp
2 99501024 1/2”-13 x 3 ¼” Gr. 5 bolt Shockwave to lower arm
2 99502001 1/2”-13 Nylok nut Shockwave to lower arm

Installation Instructions
Note: These arms will not work with stock 1958 spindles.
1. Raise and support car at a safe, comfortable working height. Let the front suspension
hang freely.
2. Remove coil spring, shock absorber, and lower control arm. Refer to factory service manual for
proper disassembly procedure.
3. Bolt the lower StrongArm shaft to the
frame. 7/16” x 2” bolts, lock washers and
flat washer will be used to fasten the
aluminum clamp to the frame.
4. Slide the ball joint boot over the ball
joint stud. Slide the stud through the
spindle, secure assembly w/ new castle
nut and cotter pin supplied.
5. Attach the adjustable steering stop to
the lower arm using two 5/16” x 1” bolts.
This can be adjusted to maintain tire/shock
clearances.
6. Attach the ShockWave to the lower
StrongArm using the ½” x 3 ¼” bolts and
aluminum spacers provided.
7. The sway bar end link must be
shortened to 2” tall optimize clearance and
alignment. Use the shorter 3/8” x 6 ½” bolt
supplied. (Discard if using RideTech
MuscleBar)
8. Check all clearance with brake lines,
airlines, tie rod, sway bar, and tire through
full suspension travel and turn wheel lock
to lock.
9. Grease ball joints.

1. Passenger side arm 1
1. Driver side arm 1
2. 1/2"-13 Nylok nut 2
3. Aluminum bearing spacer 4
4. Cross shaft 2
5. Aluminum shaft clamp 2
6. Steering stop bracket 2
7. Ball joint 2
8. Cross shaft bushing 4
9. 5/16”-18 x 1" bolt 4
10. 5/16” flat washer 4
11. 5/16”-18 Nylok nut 4
12. 3/8” x 6 ½ bolt 2
13. 3/8” USS Nylok nut 2
14. 1/2”-13 x 3 ¼” bolt 2
15. 7/16” lock washer 8
16. 7/16”-20 x 2” bolt 4
17. 1/2" fender washer 4
18. 7/16”-20 x 1 ¼” bolt 4