Maximum Motorsports 1999-04 Mustang GT Maximum Grip Box GB-6

Maximum Motorsports
Availability: Out of stock

1999-04 Mustang GT Maximum Grip Box includes

  • MM K-member (with 2-point brace)
  • MM Front Control Arms
  • MM Torque-arm
  • MM Panhard Bar
  • MM XL Series Full-length Subframe Connectors
  • MM Coil-over Conversion Kits, Front and Rear
  • Coil-over springs
  • MM Caster/Camber Plates
  • MM HD Rear Lower Control Arms (no spring perch or swaybar mount)
  • Bilstein HD series struts
  • Bilstein HD series shocks
  • MM Adjustable Rear Swaybar
  • MM Aluminum Steering rack Bushings
  • MM Solid Steering Shaft
  • MM Bumpsteer Kit (adjustable outer tie-rod ends)
  • MM Strut Tower Brace
  • MM Front Swaybar Relocation Kit
  • Front Swaybar Bushings
  • Front Swaybar End Links

For more details and technical information, scroll down to the link to each specific part. 


  • Specify: power or manual steering rack, front swaybar diameter, front and rear spring rates, front control arm style and bushing type, and rear swaybar size when ordering. Contact our Tech Associates (by phone or email) for assistance before ordering.
  • An Oil Filter Relocation Kit is required for applications that have an OEM oil cooler (all 4V Cobra and some 2V GT engines).


  • This Grip Box may be customized to suit your desires. Contact our Tech Associates for help putting together a custom Maximum Grip Box for your Mustang.


This all-encompassing package stiffens the chassis, upgrades both front and rear suspensions, and provides adjustability to tune your Mustang's handling characteristics to suit your own personal tastes. The Maximum Grip Box will turn your Mustang into a world-class performance car with its matching of carefully designed parts. Our ability to make unlimited product substitutions enables us to mix and match individual parts to suit your exact situation and driving style. The Maximum Grip Box is the ideal choice when you desire the best for your Mustang.