INSTALLATION INSTRUCTIONS
# 1304, 1304R AND 1311 MUSTANG LOWER TRAILING ARMS
Please read these instructions carefully and if you have any questions regarding
installation please do not hesitate to call Hotchkis Performance directly, we will be more
than happy to help.
THANK YOU FOR PURCHASING HOTCHKIS PERFORMANCE PRODUCTS
1) With the front wheels securely blocked, raise the rear of the vehicle to an adequate
working height, then support the vehicle / chassis / body securely
leaving the differential slightly supported with the jack.
2) Remove the rear wheels then remove the bolts that retain the lower shock absorber
mounts. If you have a Quad-Shock equipped car remove the nuts on the frame side
of the axle dampening shock and pull it from the pivot.
3) Gradually lower the differential far as possible ( be very careful not to over extend the
flexible brake line that runs from the chassis to rearend.). At this point there should be
little or no tension on the rear springs so they can be easily removed from the car
allowing the easiest and safest trailing arm installation possible. NOTE – pay
attention to the position of the cutoff spring end and be sure to re-install the springs
clocked in the same position as this will affect ride height and ride quality.
4) Unbolt the rear sway bar from the lower trailing arms and remove the bar.
5) Working on one side of the car at a time, remove the two trailing arm pivot bolts. The
front pivot bolt has very limited clearance between the muffler and frame rail, but can
be reached with a deep socket / ratchet combination. Remove the old trailing arm. Be
sure to only remove and install one trailing arm at a time, failure to do so will let the
rearend housing rotate and will make your installation much more difficult.
6) Clean the surface of the pivot points on the car checking to make sure there are no
rough edges that may tear into the new bushings. After apply a light coat of grease to
the outer surfaces of each bushing, slide the forward end of the new trailing arm up
into the position and reinstall the front pivot bolt. Note – for proper sway bar
installation – make sure the arms are positioned so that the stickers are towards the
outside of the vehicle – the arms are marked left and right.
with jack stands,
7) Slide the rear of the trailing arm into place, reinstall mounting bolt and torque both
bolts to 70 ft./lbs. Note – locating and aligning the rear pivot bolt is a little tougher
and may require the use of a small pry bar or similar tool to line up the mounting
holes correctly.
Repeat steps 5 & 6 for the opposite side of the vehicle
8) Reinstall the rear springs, making sure of proper position. (See note in step 3)
9) Remove the nut clips from the sway bar and slip them over the holes on the tabs of
the new trailing arms with the threads towards inside of vehicle. Install sway bar onto
trailing arms with the ends on the outer sides of the tabs.
10) Raise the rearend assembly, reinstall the lower shock mounting bolts and the Quad-
Shock mounts (if required). Reinstall the rear wheels. Road test and recheck all bolts
after driving a few miles.
Note – 1983 to 1985 vehicles with the original anti-hop / slapper bars will require
removal of these bars, however, due to the increased rearend stability accomplished by
these trailing arms, traction and anti-hop ability will not suffer. For this same reason,
Quad – Shocks may also be safely removed from cars so equipped for increased tire
clearance.
Hotchkis Performance LLC
Return Policy & Limited Warra nty
Effective December 1, 2010 all Hotchkis products must be registered to qualify for
warranty at
product, within 30 days of the original purchase date.
IMPORTANT: This warranty supersedes all other warranties included with this
product.
Return Policy
We want you to be com pletely satisfied with your Hotchkis Perform ance product. For products,
presenting signs of shipping damage please contact the freight carrier immediately. All our
products are guaranteed to be free from manufacturer’s defects. If your order arrives with a
manufacture defec t, please contact our Custom er Service Department at (562) 907-7757. You
will be assigned a Returne d Goods Authorizat ion Number (RGA) . The package you return m ust
show the RGA on the outsi de of the pac k age, inclu de the or iginal invo ice and be shipp ed prepa id
to our facility. The product has to be unused and in it s original pack aging materials. Exc hanges
or refunds m ade after 30 days will be subject to a 20% restocking char ge. If you purchased
your Hotchkis Performance product from an authorized dealer, you are still covered by
this return policy. All returns however, should be made to your dealer, not to Hotchkis
Performance directly.
Limited Warranty
Hotchkis Performance offers a Limited Warranty against defects in materials and workmanship
for the term of 36 months (3 years) from the date of purchase of this product. This Warranty only
applies to the original retail purc haser who retains ownership of the vehicle on which the product
was originally installed. If the product is determined to be defective, Hotchkis Performance will
repair, replace or refund the purchase price of the defective product at Hotchkis Performance's
sole discretion, which shall fully satisfy and discharge any and all warranty claims. Any repaired
or replaced product will be returned to the sender excluding the cost of freight.
be registered to qualify for warran ty at www.hotchkis.net or via the mail-in warranty card,
included with the product, within 30 days of the original purchase date.
www.hotchkis.net or via the mail-in warranty card, included with the
Products must
Exclusions from Warranty
Items offered but not manufactured by Hotchkis Performance are warranted according to the
manufacturer's terms and are not covered by this limited warranty. Hotchkis Perf ormance shall
not be responsible for any labor, rem oval, installation, r e-installation or m aintenance cos ts. This
warranty does not co ver t h e c osmetic finish or platin g of any product or any normal wear and tear
to any product including, but not limited to bushings, brackets, end-links, hardware, steering
components, shocks or springs. In addition, this warranty does not appl y to any products that
have been:
Improperly installed o r installed by someone other than a qualified, licensed auto mechanic
experienced in the installation and removal of suspension products;
Improperly serviced, misused, or modified, altered or subjected to abuse, negligence, accident or
collision;
Installed in any vehicle that has been modified; Installed on any vehicle that has carried loads in excess of automobile manufacturer suggested
weight limits; or
Installed on any vehicle t hat has been subject to abnormal or excessive use, including rallying,
racing, or racing-type activities or off-road use.
Limitation of Warranty
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