Product Details

The KSport Circuit Pro 3 Way Adjustable Coilover Kit is the top of the KSport track-day ladder for the 2009-2018 Nissan GT-R. Three independent knobs separate high-speed compression, low-speed compression, and rebound — so you can control how the chassis reacts to curbs, how it settles through a fast sweeper, and how it recovers from a hard braking zone, all without touching the other two axes.

For serious Nissan GT-R track drivers and race teams, the Circuit Pro delivers the setup flexibility you need to get the absolute last tenth out of a lap. Remote reservoirs provide the oil volume and heat capacity required for long sessions, and the monotube design gives the consistent performance that makes your data meaningful. This is a full race coilover you can still dial back for the drive home.

Features

  • Built for racing
  • External reservoirs for independent rebound and compression adjustment
  • 11,664 possible tuning combinations
  • Stiffer spring rates and shock valving combined with 20-30mm shorter shock stroke
  • Upgraded bumpstops to prevent the shock from bottoming out over uneven pavement or harsh road conditions.
  • 36 levels of damping which allow you the ability to perfectly dial in your coilover system
  • Collars and upper mounts made from 6061 aluminum with T6 for increased hardness
  • Adjustable spring perch for height adjustment
  • All metal pillowball for added strength and responsiveness
  • Adjustable lower mount allowing maximum suspension travel
  • Monotube high pressure design for better performance and heat dissipation
  • Electroplated body for added protection from corrosion and rust

Specifications

Part Number CNS400-C3
Damping Adjustment 3-Way (High-Speed Compression, Low-Speed Compression, Rebound)
Height Adjustable Yes
Spring Rate (Front) 26.0 kg/mm (1456 lbs/in)
Spring Rate (Rear) 22.0 kg/mm (1232 lbs/in)
Spring Type Linear
Top Mount (Front) Aluminum Mount no camber adjustment
Top Mount (Rear) Aluminum Mount no camber adjustment
Notes Ksport Electronic Damping Cancellation Kit EDCNS400 available for this application

Vehicle Fitment

  • 2009 Nissan GT-R
  • 2010 Nissan GT-R
  • 2011 Nissan GT-R
  • 2012 Nissan GT-R
  • 2013 Nissan GT-R
  • 2014 Nissan GT-R
  • 2015 Nissan GT-R
  • 2016 Nissan GT-R
  • 2017 Nissan GT-R
  • 2018 Nissan GT-R

Reviews / Q&A

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