MM News

Back in stock! M-5500 stock replacement rear upper control arms for Fox and SN95 Mustangs.

New! Hawk pads for the StopTech 6-piston caliper (ST-60) are in stock, both street and race compounds.

New! Maximum Motorsports has the Caster Camber Plates and coil-over kits specified for NASA's Spec Iron road race series for S197 Mustangs.

New! MM now offers an adjustable front swaybar for SN95 Mustangs. Currently in stock and ready to ship.

New! MM now has StopTech front brake hoses for the 2015+ Mustang.

New! MM Starter Box for S550 Mustangs. Includes Koni dampers, MM Caster Camber Plates, choice of Eibach or H&R springs, and Eibach swaybars.

New! Koni struts and shocks are now available for S550 Mustangs. Koni's renowned Sport series single-adjustable dampers will greatly improve the handling your 2015+ Mustang.

New! MM Engine Support Beam for 2005-2014 Mustangs holds your engine up while swapping k-members. Ideal for installing the Mm5KM-7 k-member, or any k-member. Install headers much more easily by removing your k-member.

Actual product may differ from photo.


  • Item # SB-2
  • Manufacturer: Maximum Motorsports

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CC Plate Finish

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1990-93 Mustang Sport Box includes

  • H&R Sport springs
  • MM Caster/Camber Plates
  • Koni STR.T struts
  • Koni STR.T shocks
  • Urethane spring isolators
  • MM Pinion Snubber (solid axle Mustangs)
  • MM Panhard Bar
  • MM Standard Subframe Connectors
  • MM Strut Tower Brace
  • MM 4-point K-member Brace
  • Urethane steering rack bushings
  • Front swaybar bushings
  • Front swaybar end links


  • Specify front swaybar diameter when ordering.
  • This Grip Box may be customized to suit your desires. Contact our Tech Associates for help putting together a custom Sport Box for your Mustang.


  • Performance improvement in one complete package.
  • Intended for a street-driven Mustang, not one entered in driving events.
  • High quality springs lower your Mustang.
  • Caster/camber plates allow setting the alignment within specification.
  • Matching struts and shocks provide good ride quality and enhanced performance.
  • Aged rubber spring isolators are easily replaced during spring installation.
  • Shorter pinion snubber increases suspension travel.
  • Cornering grip and stability are greatly improved by the Panhard bar.
  • Chassis rigidity is increased, improving both handling and ride quality, by the subframe connectors, strut tower brace, and k-member brace.
  • Bushing compliance reduced by urethane bushings, improving steering response.