Talk to a Mustang Expert
Mon-Thu 8:30a-11p, Fri-Sun 8:30a-9p

Free Shipping on Everything. Seriously. Details

QA1 R-Series Front Coil-Over Conversion - 170lb Springs (05-14 All)

1 Reviews
Our Price


  • Item #50616
  • MPN# HR605S-12170

  • Market Price $870.99
  • You Save 13% ($114.00)
In Stock Ships same business day. Choose options to add to cart
Free Shipping on Everything
  • Perfect for Drag Racing Applications
  • 170lb Spring Rate
  • Adjustable Front Coil-Over
  • Bolt-In Installation - No Cutting or Welding Needed
  • Re-Buildable and Re-Valveable
  • Lightweight Steel Construction
  • Made in the USA
  • Fits All 2005-2014 Mustangs
"R" Series. If you are looking for better 60ft times and better control on the track look no further than QA1’s “R” Series Mustang Coil-Over Conversion Kit, this kit is perfect for drag racing applications.

Adjustable. Built specifically for drag racing with 18 valving options of rebound adjustment and a firm compression, these QA1 “R” Series Mustang Pro Coil System gives you the control you need on the track.

Superior Construction. Constructed in the USA from lightweight steel for durability, this QA1 Adjustable Front Coil Over Kit features (2) high performance "R" series Struts and (2) specially designed 170lb rate coil over Springs.

Bolt-on Design. QA-1 designed their Mustang Front Coil-Over Kit to be an easy, bolt-on conversion with abouslutley no cutting or welding required for installation.

Re-buildable and Re-valveable. These QA1 "R" series front struts are re-buildable and re-valveable by either the QA1 Factory or a QA1 authorized service center.

Required Upgrade. This QA-1 R-Series Front Coil-Over Conversion Kit requires the use of QA1 Caster Camber Plates part# CC105MU for correct installation. See drop down option above.

Application. This QA-1 R-Series Front Coil-Over Conversion Kit is designed for use on all 2005 to 2014 Ford Mustangs, including the V6, GT, Bullitt and Shelby GT500 models.

Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

What's in the Box
  • (2) Struts
  • (2) 170lb rate springs
  • Required mounting hardware
Installation Info
Will it fit my Mustang?
  • Boss 302 - 12, 13
  • V6 - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • Bullitt - 08, 09
  • GT - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • GT500 - 07, 08, 09, 10, 11, 12, 13, 14

Customer Photos

You Might Also Like

Q & A

No questions about this product yet.

Ask the First Question

More Products You Might Like

Customer Reviews (1) Write a Review

Overall Rating 5.0

out of 5 stars

  • 5/5

    March 28, 2016

    Couldn't be happier!

    Being new to the mustang world, I wasn't sure how the install would go but it went a lot smoother than I had thought! Not to mention how much better the car sits!


    Year: 2013 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1

    Helpful (1) (0)

Related Mustang Categories