
350 S. St. Charles St. Jasper, In. 47546
Ph. 812.482.2932 Fax 812.634.6632
www.ridetech.com
Part # 12102899
67-70 Mustang Lower StrongArms
Components:
1 90000110 Driver side lower arm
1 90000111 Passengers side lower arm
2 90000895 Lower ball joint
4 90000112 Eccentric eliminator
2 90000108 Inner bushing sleeve
4 90001086 Poly bushing half
2 90001045 Control arm pivot bearing
2 90000734 Bearing housing
2 90000109 Bearing retaining plate
2 90000733 Aluminum bearing spacer
2 90000732 Bearing stud (Set to 2- 15/16”)
2 99250001 1/4-28 grease fitting – Use Lithium grease on frame bushings
Hardware:
2 99501025 ½”-13 x 4 ½” Gr.5 bolt Lower arm to frame
2 99502001 ½”-13 Nylok nut Lower arm to frame
6 99371019 3/8”-16 x 1 ½ SHCS Bearing housing
6 99373005 3/8” lock washer Bearing housing
2 99752004 ¾”-16 Jam nut Stud to arm
2 99752001 ¾”-16 Lock nut Stud to bearing
2 99753002 ¾” x 2” flat washer Stud to bearing

Installation Instructions
1. Raise and support vehicle at a safe, comfortable working height. Let the front suspension hang
freely.
2. Remove the coil spring, shock absorber, upper shock bracket, strut rod, sway bar, upper and
lower control arms. Refer to factory service manual for proper disassembly procedure.
3. Be sure to remove the outer
bushing sleeve from the strut rod
frame mount.
4. Remove any excess undercoating
or rust.
5. Using the bushing retainer as a
template, mark the holes to drill with a
center punch.
6. Remove the retainer and drill the
holes with a 3/8” bit.
7. Place the bearing inside the bearing
housing, then clamp it to the frame
with the bearing retainer and the 3/8” x
1 ½” SHCS and lock washers.
Front

8. The bearing stud should already be
threaded into the lower arm, factory set
at 2-15/16” (measuring from the end of
the arm to the bearing).
9. Slide the stud through the bearing,
then slide the aluminum spacer over
the stud with the larger end toward the
front of the car. Secure the assembly
with a ¾” Nylok Nut and flat washer.
Note: The caster setting should set at
around 3.5 degrees positive. Vehicle
must be aligned before driving.
10. Attach the other end of the lower
control arm to the factory frame mount
using a ½” x 4 ½” bolt and Hex nut.
11. Eccentric eliminator plates are
includes and one must be installed on
each side of the frame. Start out with it
in the center, make sure both plates
are in the same position.
12. Slide the ball joint boot over the
ball joint, then place the spindle over
the ball joint stud. A ball joint spacer
will be necessary to align the castle nut
with the cotter pin hole. Grease ball
joint
Note: Before installing the spindle, turn
the ball joint stud so that the cotter pin
hole faces front to back. This will
make it easier to install/remove the
cotter pin.
13. Lubricate control arm bushing with
Lithium grease.

1. Driver side arm 1
2. Eccentric eliminator plate 2
3. Inner bushing sleeve 1
4. Poly bushing half 2
5. Bearing housing 1
6. Bearing retaining plate 1
7. Aluminum bearing spacer 1
8. Bearing stud (Set to 2- 15/16”)
9. Ball Joint 1
10. Control arm pivot bearing 1
11. ¾”-16 Jam nut 1
12. ¾”-16 Lock nut 1
13. ¾” x 2” flat washer 1
14. ½”-13 x 4 ½” Gr.5 bolt 1
15. ½”-13 Nylok nut 1
16. 3/8” lock washer 3
17. 3/8”-16 x 1 ½ SHCS 3
1