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1994-1995 Suspension Systems

GR40 Street Kit
The starter kit with a big bang for the buck.  Includes the foundation to make a street-driven Mustang into a smooth riding BMW killer.  This kit was configured to give you incredible hookup and although our basic system, it is worthy of the GR40 name in what it yields in cornering performance.  Koni Shocks & Struts, Lowering Springs  TorqueArm, Subframe Connectors, Caster/Camber Plates, Bump Steer Correction and Urethane front and rear Control Arm Bushings are all included in the kit.  Whether you drive your Mustang at the strip or in the twisties, this kit is guaranteed to yield significant performance improvements.  Compare what you get to the competition’s comparably priced kits and you will see that we offer the best performance value.

The GR40 Super Street Kit
The addition of Griggs Coil Over Konis and rear lower control arms makes this kit pack a big punch.  Fully adjustable ride height, low un-sprung weight and ride quality that’s unobtainable with non-coilovers.  This is the perfect kit whether or not you have bigger and better plans in the future.  Again, compare this kit with the competition for bang for the buck. 

GR40 Autocross/Open Track
Engineered for the serious Mustang driver that uses his car on the strip or the road course, and still drives on the street.   The kit includes the highest strength-to-weight ratio K-Member and front end components on the market.  Fully revised and proven front-end geometry provides unparalleled turn-in and steering accuracy and dramatically improved braking.  

GR40 World Challenge / American Iron
The kit that won it all.  THE standard of excellence.  The most popular chassis system in late-model road racing history.  Twelve years on the market and still dominant.  The proof is in the race records.  If you want to be consistently fast you need the World Challenge Kit.  If you don’t win with this, its time to check your driving.  There is no comparison for this one.  And race parts with a lifetime warranty…really.

GR40 Street Starter Kit
GR40 Street Starter Kit
GR40 Super Street Starter Kit
GR40 Super Street Starter Kit
GR40 Ultimate Street Kit
GR40 Ultimate Street Kit
GR40 Open Track/Autocross Kit
GR40 Open Track/Autocross Kit
GR40 Road Race Kit
GR40 Road Race Kit
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