The KW coilovers have a spring rate of 970 in/lbs front and 515 in/lbs in the rear, which compares to the stock spring rate of around 680 in/lbs front and 380 in/lbs in the rear. The stock spring rates varies quite a bit year to year in GT-R's, so yours might be different. 


The 3-way adjustable Clubsports have a lightweight, all alloy construction, which is hard anodized for a long corrosion free life. 

The construction means that they are quite a bit lighter than the stock dampers even with the remote reservoirs. We are striving not to add any more weight to the already super heavy GT-R. 

The Clubsports also have a dust shield to help with long seal life and a microcellular urethane bump stop. This allows for a smooth transition to bottoming out that is less likely to upset the chassis in case of the damper bottoming out.

In the above picture of the front coilovers, you can better see the rubber boot protecting the spherical bearing of the top mount. You can also see the bracket that holds the brake line and the wheel speed sensor wire. 


The rear dampers have the same lightweight, all alloy construction as the front- exhibiting a considerable weight reduction from stock. 

A lot of the weight reduction is in the mounting forks at the bottom of the shock bodies. On the stock part, this appears to be a bulky, heavy iron casting. 


The compression damping adjusters are these large, easy to read and grab alloy knobs. We cannot stress how important easy to use adjusters are on any car in speeding setup time.

An R35 GT-R is not a particularly easy car to work on. The car almost has a complete flat bottom from the factory.  Although this is great from an aero standpoint, it also means that the undercar panels have to be removed to work on the suspension. 

To get at the upper rear shock mounts, we also found that the entire rear of the car's interior had to be carefully disassembled as well. Since the GT-R is an expensive car, a lot of care had to be taken to prevent from damaging the interior, which took a lot of time.


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Wednesday, December 27, 2017 6:40 PM
What happens with the electronic adjusters unplugged? Does it throw a code, or did a simulator get plugged in?
Mike Kojima
Mike Kojimalink
Thursday, December 28, 2017 8:45 AM
no codes.
Thursday, December 28, 2017 10:26 AM
When I tracked the GTR at Exotics Racing, it understeered like a pig. That new rear bar should be a big help!
Thursday, December 28, 2017 11:38 AM
I'm not a huge R35 fan, but I can't wait for the report on the new suspension.
Thursday, December 28, 2017 11:51 AM
Haha, my Miata spring rates are almost an exact match to the stock GT-R spring rates... so basically I have a GT-R...
Mike Kojima
Mike Kojimalink
Thursday, December 28, 2017 11:55 AM
That, the way wider front tires and the 3.5 degrees of negative camber in the front!
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