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1987 - 1993 Fox Mustang Rear
Suspension Bolt Sizes
Quad shock axle housing mounting bolts (12mm x 1.75 x 70mm).
Quad shock frame side bolts welded to a bracket - no simple replacement (new bracket w/ bolt needed).
Rear shock axle housing mounting bolts (12mm x 1.75 x 70mm).
Rear shock tower mounting bolt (part of the shock itself, no replacement other than a new shock).
Upper control arm axle housing bolts (12mm x 1.75 x 80mm).
Lower control arm axle housing bolts (12mm x 1.75 x 100mm).
With a Maximum Motorsports panhard rod, use
(12mm x 1.75 x 120mm) on the lower bracket side.
Suspension Bolt Sizes
- With the age of the Fox body Mustang, the bolts in the rear suspension have
probably become rusted. To make replacement easy when installing new
control arms or even making a simple repair, I've measured out the following
bolts sizes. The original equipment bolts are metric and measure 12.9 in
strength. There are a few bolts where I needed to improvise and there
sizes are noted.
Quad shock axle housing mounting bolts (12mm x 1.75 x 70mm).
Quad shock frame side bolts welded to a bracket - no simple replacement (new bracket w/ bolt needed).
Rear shock axle housing mounting bolts (12mm x 1.75 x 70mm).
Rear shock tower mounting bolt (part of the shock itself, no replacement other than a new shock).
Upper control arm axle housing bolts (12mm x 1.75 x 80mm).
Lower control arm axle housing bolts (12mm x 1.75 x 100mm).
With a Maximum Motorsports panhard rod, use
(12mm x 1.75 x 120mm) on the lower bracket side.
- Brake backing plate or caliper bracket bolts (3/8" x 1.25"). This is what I
used, probably not the original size. However, the holes at the end of the
axle housing to mount the plate to is 3/8" in diameter. A one inch bolt was
just a hair short for me once you add a lock washer and nut.
- Brake caliper bolts to mount the rear Bear brake calipers (original equipment
on 1988-1996 Corvettes caliper) to the bracket (12mm x 1.75 x 20mm).
