How To: Install Fox Body Mustang J&M Caster Camber Plates (79-93

J&M Caster Camber Plates

If you’ve lowered or have considered lowering your Fox Mustang, then a set of J&M caster camber plates is an absolute must-have! These caster camber plates offer maximum adjustments to get your suspension geometry properly corrected when lowering your car. Right out of the gate, the most common question when purchasing caster camber plates for a Fox Mustang is, why are there offerings for 79-89 and 90-93 cars? The bolt spacing between the years was slightly different, requiring two separate caster camber plate offerings. With that being said, be sure you pick up the correct caster camber plate kit when ordering yours.

J&M’s caster camber plates are made right here in the USA, will feature a black powder-coated finish for years of longevity, as well as an alloy steel support plate and, are easily adjustable. Both kits will include all needed hardware and installation instructions.

Required Tools

• Jack
• Jack Stands
• Socket Set
• Open End Wrench Set
• 3/8" Socket Wrench
• 1/2" Socket Wrench
• Allen Wrench Set
• Torque Wrench
• Zip Ties

Installation Instructions

1. To begin the installation, place the car on a lift or a set of jack stands.
2. Remove the wheel and tire, and then remove the two 17mm bolts securing the brake caliper to the mounting bracket.
3. Remove the caliper from the rotor and tie it out of the way so that the cable isn’t in a bind.
4. Loosen the two strut to spindle bolts with a 24mm open-end wrench on the nut and a 21mm socket on the bolt.
5. Before removing the strut to spindle hardware, secure the lower control arm with a jack centered under the lower arm.
6. Moving to the engine bay, loosen and remove the strut shaft nut with a 24mm socket.
7. Remove the strut to spindle hardware and then carefully remove the strut from the car.
8. Loosen the three nuts securing the plate to the strut tower, and then remove the factory or damaged aftermarket caster camber plate from the car.
9. Take this time to clean and wipe down the strut tower.
10. Thread the four Allen head bolts and washers into the spherical bearing plate.
11. Do the same for the other upper plate and spherical bearing.
12. Slide the bottom plate up through the strut tower and place three of the included 8mm thick spacers over the plate studs.
13. These are not side-specific.
14. Place the top plate over the studs, add three of the included washers and then loosely tighten three of the included locking nuts.
15. Fully tighten the lock nuts and ensure the lower plate studs are centered in the adjustment notches on the upper plate.
16. Tighten the 6mm Allen bolts on the spherical bearing plate.
17. Remove any strut spacers and slide one of the 15mm and two 8mm spacers over the strut shaft.
18. Position the strut through the strut tower and place one of the included 2mm spacers over the strut shaft.
19. Thread the previously removed strut tower nut and re-tighten to 90 ft/lbs.
20. Reassemble your strut to spindle and reinstall your caliper.
21. Repeat these steps for the other side.
22. Bolt on your wheels and tires and ensure all of your caster camber plate nuts and bolts are tight.
23. Double check everything and you’re all done.
24. After installation, LMR highly recommends you to take your Mustang to a professional alignment shop to ensure your vehicle's alignment is set.