MM News

New! MM Technical Services: MM’s Engineering Team will provide setup recommendations specifically tailored for your Mustang. Get help choosing options for a Maximum Grip Box, deciding on coil-over spring rates, selecting a brake master cylinder, and advice on converting your Fox to Hydroboost.

New! Swapping a Coyote into a Fox Mustang? MM's Hydroboost Conversion Kits allow easy installation of a 1996-2004 Mustang Hydroboost power brake assist unit into a 1979-1993 Mustang.

New! Swapping an IRS into your Fox Mustang? MM makes it easier with a brake line kit made just for this conversion. Bolts-in, with no cutting or flaring of brake lines. Designed to fit standard IRS brake hoses.

New! MM now offers a tool for the giant nut securing a Mustang Hydroboost. This MM socket fits the 1-7/8" nut holding the Hydroboost to the firewall mount. Required when changing a Hydroboost unit.

New! MM's billet aluminum Pedal Box Spacer for Fox Mustangs. Replace the breakage-prone OEM plastic spacer when converting to manual brakes or Hydroboost.

Canadians! Please read the latest about ordering from Canada/shipping to Canada.

We've posted the parts list and link to the video of MM's Mustang in /DRIVE Tuner car Shootout

MM Torque-arm, 1979-04 Mustang, 8.8" axle, Heavy-Duty
Actual product may differ from photo.


  • Item # MMTA-3
  • Manufacturer: Maximum Motorsports

Select Option(s):

Subframe Connector Type



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Maximum Motorsports Heavy-Duty Torque-arm, 1979-04 Mustang with 8.8" solid axle

Do you want the ultimate rear suspension for street driving, drag racing, autocross, and the open-track?

If so, you need a Maximum Motorsports Torque-arm suspension system.

With an MM Torque-arm you will enjoy greatly improved performance:

    • Dramatically increased rear grip.
    • Improved launching at the drag strip.
    • Elimination of wheel hop during hard acceleration.
    • Improved cornering ability.
    • Improved wet weather traction.
    • Improved handling predictability.

Click on the FAQ button below for more information about MM Torque-Arms.

Tech Info

To ensure ordering the correct Torque-arm for your Mustang, there are several easy questions you must answer first:

    • Is the Standard-Duty Torque-arm suitable for your Mustang, or do you need the Heavy-Duty version?
    • Does your Mustang have rectangular subframe connectors or round tube connectors already installed?
    • Are your existing subframe connectors strong enough?
    • Do you have a suitable Panhard Bar?
    • Do you have suitable rear lower control arms?
    • What rear spring rates should you have?
    • Will your exhaust require modifications?
    • Are you racing? If so, you may want our Racing Crossmember.
    • Would a complete Torque-arm suspension package be more suitable?
    • Got everything answered okay? The next step is to place your order.