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©

2007 Edelbrock Corporation

Rev. 9/07 - DA/mc

Catalog #5253

Brochure #63-0456

Page 1 of 2

Edelbrock Adjustable Trailing Arm

for 2005-2008 Ford Mustang

Catalog #5253

Installation Instructions

Please study these instructions carefully before installing your new Adjustable Trailing Arm. If you have any questions,
contact our 

Technical Hotline at: 1-800-416-8628

, 7 am to 5 pm, Monday-Friday, Pacific Standard Time or 

e-mail us at 

[email protected]

.

Tools and Supplies Required:

❑ 

Floorjack

18mm socket, combination wrench, and torque wrench

Jackstands

Blue Loctite™

Tire chocks

Grease gun

Lug wrench 

REMOVAL OF STOCK TRAILING ARMS

1. Place car on level surface and place tire chocks in front of and behind front tires.

2. Support rear of the car on jackstands and remove the rear wheels.

3. Place a floorjack under the differential and lift up slightly to remove tension from the trailing arm bolts - make sure

not to lift the car off the jackstands 

(Figure 1). 

KEEP FLOORJACK UNDER CAR DURING THE COMPLETE REMOVAL AND INSTALLATION PROCEDURE.

4. Remove bolts retaining trailing arm support bracket.

NOTE:

Two bolts can be reached from the undercar, the

third bolt is accessed under rear seat. Rear seat lower

cushion is retained by two clips at the front of the cushion.

5. Unbolt front trailing arm bolt from support bracket.

6. Clean frame at trailing arm pivot area with a wire brush.

Fig. 1

IMPORTANT NOTE:

Proper installation is the responsibility of the installer.  Improper installation will void warranty and may

result in poor performance and engine or vehicle damage.

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