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

Steering Rack Bushing Upgrade Kit, 1985-04 Mustang with stock k-member
Actual product may differ from photo.


  • Item # MMST-7.1
  • Manufacturer: Maximum Motorsports


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Upgrade kit for old-style MM center-drilled Aluminum Steering Rack Bushings

Fits only Mustangs built 10/1984-04, with MM bushing kit MMST-3, and a stock k-member.

  • Upgrades older MMST-3 bushings to newer MMST-7 design.
  • Unique MMST-7 design prevents twisting and binding of the rack.
  • Eliminate rack binding while maintaining the improved steering response offered by solid bushings.
  • Solidly mounting the steering rack eliminates movement allowed by rubber or urethane bushings.
Product features
  • Includes components to add spherical washer feature of the MMST-7 design to previously installed MMST-3 bushings.
  • Center-drilled (not offset) design maintains best bumpsteer geometry for Mustangs with the stock k-member.
  • Unique, precision-machined spherical design prevents the rack from twisting when solidly mounted.
  • Fits both power and manual steering racks.
  • Plated steel construction.
  • Fits stock k-members with 12MM rack mounting bolts only.
  • Does not fit MM K-members or other aftermarket k-members.
Click on the button below for more technical information about steering rack bushings.
Tech Info