• Improved performance and stance compared to prior offerings
• Allows full range of adjustment with stock Cobra Jet rear suspension M-5649-CJ
• Excellent upgrade for 2008-2012 Cobra Jet or any 2005-2013 Mustang set-up for drag racing
• As used on the 2013 Mustang Cobra Jet program
• Made exclusively for Ford Racing by Eibach with proprietary Ford Racing specifications
• Replaces M-5300-R Cobra Jet spring kit with new rate and ride height  for rear springs