FAQs & Tech Tips

MM News

NEW! Read the article Maximum Motorsports Tames Fox & SN95 Mustang Rear Suspensions on FordMuscle.com.

MRT Exhaust! MM now offers premium MRT cat-back exhaust systems for 1996-2004 Mustangs.

New! for Street & Strip Mustangs! Big-bore rear wheel cylinders for 1979-1993 Mustang with 9" drum brakes. Improves braking when running big rear tires and front skinnies, and/or different OEM front brakes.

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'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

Hydroboost Socket
Actual product may differ from photo.
  • Hydroboost Socket
  • Hydroboost Socket

click on thumbnail to zoom


  • Item # MMT-12


MM-manufactured socket fits the giant nut that holds the Ford Mustang Hydroboost unit to the firewall mount. This is the tool you need to remove and reinstall that 1-7/8" nut.

Required to secure the Hydroboost retaining nut to MM's Fox Mustang Hydroboost swap kit's firewall block.

Included with MM's Fox Mustang Hydroboost Swap Kits.

Fits 1996-2004 Ford Mustang Hydroboost 1-7/8" retaining nut.

  • Much less expensive than the Ford factory tool
  • Fits the aluminum firewall block included in MM's Fox Hydroboost swap kits. The factory tool will not fit the MM firewall block because of its overly large body diameter.
  • 1996-2004 Ford Mustang Hydroboost retaining nut (1-7/8")
  • Stock 1996-2004 Mustang Hydroboost mounting plate
  • Aluminum firewall block included in MM's Fox Hydroboost swap kits
We're working on FAQs for this product. If you have a question, please use our Contact Us page to email your question. We'll answer your question by return email, and also consider it for possible addition to this FAQ section.