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.

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

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2005+ Mustang Rear Lower Control Arm Tech: Extreme Duty

Extreme-Duty control arms

  • Designed to safely handle the stresses of very high-powered Mustangs that are drag raced. See the chart below for power ratings.
  • Direct replacement for the stock lower control arm.
  • Suitable for road racing and street use.
  • Tubular steel construction is much stiffer than both the stock control arm and our aluminum control arm.
  • Engineered design prevents binding of suspension movement.
  • Large, high strength, Teflon-lined spherical rod ends allow freedom of motion for both pivoting and angularity, preventing unwanted deflection while still allowing the angularity required for proper articulation. No binding.
  • Offset bushings improve geometry to reduce understeer.
  • Greatly reduces axle wind-up.
  • Adjustable length allows squaring the axle to the chassis.
  • Expect an increase in transmitted noise.
  • Powdercoated black.
  • Preset to stock control arm length, for easy installation.
  • Includes new OEM mounting bolts.

Power ratings at various differential gear ratios for MM Extreme Duty control arms.

Differential Gear Ratio Maximum Engine Torque (ft-lb)

Differential Gear Ratio Maximum Engine Torque (ft-lb)
2.73 1,524
3.08 1,321
3.27 1,272
3.55 1,172
3.73 1,116
4.10 1,015
4.30 968
4.56 913



Drag Race Standing Starts
The term "drag race" includes any hard standing start launch, whether it is at the drag strip or a stoplight on the street. Hard launches, when the engine RPMs are increased significantly and the clutch is released abruptly, put an enormous sudden shock load on the rear lower control arms. The higher the power level, the stickier the tires, and the better everything else that helps a car launch more quickly is, the greater the stress on the control arms. If hard launches are part of your lifestyle, then you want the MM Extreme Duty Rear Lower Control Arms.

General Tech about MM 2005+ rear lower control arms

Specific tech about the MM 2005+ Street Performance control arm series

Specific tech about the MM 2005+ Road Race control arm series

2005+ Mustang Rear Lower Control Arm FAQs