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Koni Rear, CMC Legal Track Shock Kit, Medium ('79-'04)
[KR 40 CMC]

Complete set of single adjustable mono tube high pressure steel body shock set, with bump stops and ball mount adapters for mounting to 79-04 solid axle Mustangs and T-birds. NASA CMC legal

Quick Facts

  • For use on track cars with rules that do not allow Coil over and /or Double adjustable Shocks.

We use Koni shocks as a our standard offering for these reasons:

Quick Facts

  • Available in dual adjustable and lightweight aluminum dual adjustable configuration so you can adjust ride quality or transitional handling characteristics
  • Requires little to no service over an almost indefinite lifespan.
  • Griggs race winning custom valving

The two most important elements in a performance chassis are the tires and shocks (or struts).  Dampers are a better term as their primary purpose is to dampen motion of the suspension movement of the chassis.  So far only Koni provides the quality and performance we demand of dampers to be included in a GR40 Kit.  And then in units that we have custom built to our specifications. 

Proven by over 50 years of international competition including Formula One, and the only part of our GR40 systems not made in the US, The Dutch company is owned by the US conglomerate, ITT automotive group.  Griggs Racing has worked closely with Koni in developing shocks and struts over the years that do exactly as required in delivering a serious performing chassis while improving handling, traction, ride quality, tire life, and safety.  Also, they last virtually forever with very little service required.  Koni’s are an investment you will have for a very long time.  They are not “throw away units”.

Most replacement shock offerings usually “feel” pretty good upon installation, but after a short time their “low speed” characteristics degrade with subsequent handling degradation.  Plus all other aftermarket units available are made with inadequate low speed damping, or digression, especially on compression (bump or jounce).  The adjustability of your Konis is easy, if you follow our instructions.  All but the struts are shipped pre adjusted on our shock dyno and most customers never need to adjust them to attain the ride quality or race winning performance they desire.

Most Griggs Racing standard offerings for GR40 Mustangs are not found in the Koni catalog under Mustang.  These shocks are derivatives of the Koni oval track program and the struts are originally from the Koni showroom stock racing program. With valving perfected to suit our standards, and the win record of GR40 cars to prove the point, these are a necessary step to tuning any Mustang chassis to perfection.

Proven Race winning valving – the same shocks in our coil over kits that is Most popular for cars driven hard on the street and road courses, autocross track as well as American Iron race cars. These are also the most popular street-strip rear shocks we sell

Includes One opair of shocks, and mounting kit pictured below.

 

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