Xtreme-Grip™ Spec Mustang SMG Suspension System


SKU: CSS-40-1000-JRI-SMG


Spec Mustang SMG system with Xtreme-Grip Watts Link package and front and rear CorteX/ JRi Coilovers.

Comes standard with the following options:


  • Large offset front struts for 18 x 10.5 oversized wheels and tires
  • Adjustable front Anti Roll Bar end link ARB-40-1002
  • CorteX Bumpsteer kit CBS-40-1000
  • Slotted strut housing with CorteX camber slug kit CFS-40-ALIGN-SMG


The remaining suspension parts available as add-ons in the options.



Xtreme-Grip Spec Mustang SMG Suspension System, Front & Rear, Track

Vehicles: 2005-2009 Ford Mustang (can also be used on 2010-2014 Mustangs but not for SMG class)

CorteX – JRi Struts and Rear Coil over Shock with Springs Kit comprised of single adjustable, custom valved JRi front and rear dampers with matching springs.

Fast adjustment of the rear roll center ensure quick yet effective balancing of the vehicle at the track.

The offset strut housings are standard with this package and allowing fitment of spec Jongbloed 18 x 10.5 wheels and 295mm wide tires.

Proven in Competition

The system is professionally engineered and tested in SCCA competition, this system will take you to the next level of performance.

Spring rates are specified by the spec series however there are two options:

  1. 600 lb/in front and 450 lb/in rear (600/450) – standard
  2. 500lb/in front and 400 lb/in rear (500/400)

Optimized Features

  • Caster/Camber plates allowing setting camber to at least -3.5 degree camber for track alignments
  • Shocks and Struts include integrated bump stops
  • Rear lower control arm bracket set that optimizes suspension geometry at lowered rides height (2″ or more lower than OEM).
  • Rear tubular lower control arms  come with heim joints at both ends and angle-correction spacers (Set).
  • Rear shock mounts rear upper and lower shock mount allowing fitment of 18 x 10.5 rear wheels and 295mm wide tires as standard.
  • Watts Link package adjustable, lightweight, yet extremely durable.
  • The track version comes with heim joints throughout.

Exclusive Design

CorteX’s revolutionary differential cover incorporates the watts pivot mount as well as provision for a differential cooler and temperature sensor.


vehicles: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014

Additional information

Weight 98 lbs
Dimensions 48 × 12 × 12 in


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