Kia Optima/Hyundai Sonata Stiff Ring Chassis Collars

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  • These small aluminum rings make a night & day difference in the way your Kia Optima or Hyundai Sonata feels when doing day to day driving.
  • Used to correct the chassis's basic geometry by filling the gap between the subframe bolts, subframe, and the cars chassis bolt holes. 
  • The vehicles engine, transmission, suspension and the uni-body are mounted on the subframe and when installed, these work by correcting the geometry setup.
  • By eliminating the gap, vibration through the chassis is greatly reduced improving driver feedback.
  • Helps to protect & prolong the vehicles undercarriage parts lifespan. Eg: Steering rack, lower control arms, etc.
  • Stiff Ring chassis collars are made of a special grade of aluminum alloy.
  • Your vehicles handling will be improved significantly with these installed.


Vehicle Applications:

  • 2011-2015 Kia Optima (All Models)
  • 2016 Kia Optima (Hybrid Model only)
  • 2011-2014 Hyundai Sonata (All Models)


Available Sets:

  • 14pc = 6pc front and 8pc rear
  • 8pc = Rear set
  • 6pc = Front set


Additional Info:

  • Torque Settings = 115 ft/lbs (front) 125 ft/lbs (rear)
  • Installation Instructions: Part 1 & Part 2

Please note that these are recommended torque specifications and we are not liable for any damages, claims, or neglect as a result of purchasing and installing this product.

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Kia Optima/Hyundai Sonata Stiff Ring Chassis Collars has a rating of 4.9 stars based on 26 reviews.
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