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NOTICE- THIS K-MEMBER REQUIRES THE USE OF COIL OVER SUSPENSION.
K-MEMBER WILL NOT WORK WITH FACTORY STYLE SPRINGS.
READ ALL INSTRUCTIONS CAREFULLY AND THOROUGHLY PRIOR TO STARTING INSTALLATION. PRODUCTS THAT HAVE BEEN INSTALLED ARE NOT ELIGIBLE FOR
RETURN. USE THE PROPER JACKING LOCATIONS. DEATH OR SERIOUS INJURY CAN RESULT IF INSTRUCTIONS ARE NOT CORRECTLY FOLLOWED. A GOOD
CHASSIS MANUAL, AVAILABLE AT YOUR LOCAL PARTS STORE, MAY ALSO AID IN YOUR INSTALLATION.
QA1 WARRANTS THAT THE PRODUCTS WILL BE FREE FROM DEFECTS IN MATERIAL AND WORKMANSHIP FOR ONE YEAR FROM DATE OF SALE TO THE
ORIGINAL PURCHASER. QA1 MAKES NO OTHER WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED. QA1 SHALL HAVE NO OBLIGATION UNDER THE
FOREGOING WARRANTY WHERE THE DEFECT IS THE RESULT OF IMPROPER OR ABNORMAL USE, YOUR NEGLIGENCE, VEHICLE ACCIDENT, IMPROPER OR
INCORRECT INSTALLATION OR MAINTENANCE, NOR WHEN THE PRODUCT HAS BEEN REPAIRED OR ALTERED IN ANY WAY. QA1'S LIABILITY IN THE CASE OF
DEFECTIVE PRODUCTS SUBJECT TO THE FOREGOING WARRANTY SHALL BE LIMITED TO THE REPAIR OR REPLACEMENT, AT QA1'S OPTION, OF THE DEFECTIVE
PRODUCTS.
THE USER UNDERSTANDS AND RECOGNIZES THAT RACING PARTS, SPECIALIZED STREET ROD EQUIPMENT, AND ALL PARTS AND SERVICES SOLD BY QA1 ARE
EXPOSED TO MANY AND VARIED CONDITIONS DUE TO THE MANNER IN WHICH THEY ARE INSTALLED AND USED. QA1 SHALL BEAR NO LIABILITY FOR ANY
LOSS, DAMAGE OR INJURY, EITHER TO A PERSON OR TO PROPERTY, RESULTING FROM THE INSTALLATION, DIRECT OR INDIRECT USE OF ANY QA1 PRODUCTS
OR INABILITY BY THE BUYER TO DETERMINE PROPER USE OR APPLICATION OF QA1 PRODUCTS. WITH THE EXCEPTION OF THE LIMITED LIABILITY WARRANTY
SET FORTH ABOVE, QA1 SHALL NOT BE LIABLE FOR ANY CLAIMS, DEMANDS, INJURIES, DAMAGES, ACTIONS, OR CAUSES OF ACTION WHATSOEVER TO BUYER
ARISING OUT OF OR CONNECTED WITH THE USE OF ANY QA1 PRODUCTS. MOTORSPORTS ARE DANGEROUS; AS SUCH, NO WARRANTY OR REPRESENTATION
IS MADE AS TO THE PRODUCT'S ABILITY TO PROTECT THE USER FROM INJURY OR DEATH. THE USER ASSUMES THAT RISK!
• Floor Jack
•Wrench Set
PRE-INSTALLATION NOTES
MUK11 for 79-93 cars
MUK12 for 96-04 cars
MUK13 for 94-95 cars
1.
QA1 does not recommend driving the vehicle until it has been properly aligned due to changes in suspension
geometry that will affect the handling characteristics of the vehicle. A front end alignment should be performed by
a qualified alignment shop after any changes to the suspension system.
9919-211
Technical Support Line: (952) 985-5675 Email: Info@QA1.net
21730 Hanover Ave.
Lakeville, MN 55044
INSTALLATION INSTRUCTIONS
MUSTANG K-MEMBER
P/N MUK11, MUK12, MUK13
• DISCLAIMER / WARRANTY •
TOOLS AND SUPPLIES REQUIRED
• Jack Stands
• Socket Set
ENGINE
5.0L WINDSOR
4.6L MODULAR
5.0L WINDSOR
www.QA1.net
•Spring Compressor
•Engine Hoist
1
•Tape Measure
Rev. 06082017
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Summary of Contents for QA1 MUK12
- Page 1 THE USER UNDERSTANDS AND RECOGNIZES THAT RACING PARTS, SPECIALIZED STREET ROD EQUIPMENT, AND ALL PARTS AND SERVICES SOLD BY QA1 ARE EXPOSED TO MANY AND VARIED CONDITIONS DUE TO THE MANNER IN WHICH THEY ARE INSTALLED AND USED. QA1 SHALL BEAR NO LIABILITY FOR ANY LOSS, DAMAGE OR INJURY, EITHER TO A PERSON OR TO PROPERTY, RESULTING FROM THE INSTALLATION, DIRECT OR INDIRECT USE OF ANY QA1 PRODUCTS OR INABILITY BY THE BUYER TO DETERMINE PROPER USE OR APPLICATION OF QA1 PRODUCTS.
- Page 2 JACKING LOCATIONS AND SUSPENSION DISASSEMBLY. DEATH OR SERIOUS INJURY CAN RESULT IF INSTRUCTIONS ARE NOT CORRECTLY FOLLOWED. 2. Start QA1 Mustang K-member installation by inspecting chassis components. Look for worn out bushings, ball joints, etc. If anything looks suspicious, now is the time to replace it.
-
Page 3: Installation
11. Using a 21mm socket, remove and retain the motor mount bolts from the stock K-member. 12. Supporting the stock K-member with a floor jack (during removal process a couple helpers will be needed. One on each side of the K-member and one operating the floor jack), remove and retain the four (4) bolts in the rear of the K- member using a 15mm socket. - Page 4 Note that the supplied 1.8” dia. stainless washer will need to be installed in the correct position ( figure 4 dependent on whether the factory or QA1 Street Series arms will be used. If using QA1 Race Series arms, refer to instructions included with arms. Torque control arms to 130 lb-ft *WHILE VEHICLE IS AT RIDE HEIGHT*.
- Page 5 3/4” I.D. rack bushings. If your mustang came with factory 5/8” I.D. sleeves in the rack bushings they will work with your QA1 K-member. If replacing bushings and sleeves, use Moog part number K8422.
- Page 6 Figure 5 9. Tighten rack mounts using 15/16” socket/wrench until bushing diameter expands to same as washer. 10. Tighten your loosely installed steering linkage 11. Evenly torque all eight K-Member bolts (4 upper mounting bolts (89 lb-ft) and 4 rear chassis bolts (72 lb-ft) to the given specifications.