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Shelby CS40 Black Machined Wheel; 20x10; Rear Only (05-09 All)

Item 33957G05
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    Product Information

    Features, Description, Reviews, Q&A, Specs & Installation


    • Shelby CS40 Wheel
    • Sleek Race-Inspired Split Spoke Design
    • Machined Face with Black Inserts
    • Shelby Center Cap Included
    • 20x10 - Rear Only
    • Fits All 2005-2009 Mustangs


    Modern Shelby Muscle. Carroll Shelby carries the proud pony tradition into the new millenium with an innovative new wheel design, introducing the Shelby CS40. This Carroll Shelby wheel features a unique split "Y" spoke design and simulated rivets for an aggressive race inspired appearance. Shelby center cap included.

    Machined Face With Black Inserts. The velvet smooth look of the machined aluminum face makes for an intense contrast against the black inlays on this wheel for an incredibly sharp presentation. These machined wheels feature a satin clear-coat finish to protect against the hazards of road chips and pitting.

    Application. This Shelby CS40 Wheel fits the rear only of the 2005-2009 Ford Mustangs. Stagger with 20x9 on the front for an aggressive muscle car stance and improved traction.

    Recommended Tire Size:

    Note: Priced per wheel.

    Fitment: 2005 2006 2007 2008 2009

    MPN# CS40-205445-B

    CA Residents: WARNING: Cancer and Reproductive Harm -


    Customer Reviews (11)

    Write a Review

    Ratings Summary

    5.0 out of 5 overall rating from 11 customers

    Installation Time: Less than 1 Hour

    • July 07, 2018

      5 2011 GT - MikeB Installation Time: Less than 1 Hour

      CS40 black machined Shelby wheels

      CS40 black machined Shelby wheels. Best looking rims out there, nothing but thumbs up from drivers going by. Every mustang deserves these wheels!!!

      Helpful (10)
    • October 15, 2017

      5 2012 GT - Jason2215

      Exactly What I Was Looking For

      The wheels themselves are very high quality. I did have a small issue with one wheel which had a small imperfection that I sent back for a replacement. The 20x10's are seemingly constantly on back order, which is an issue. Once on the car, I knew I couldn't have made a better choice for my taste. I used 255/35/20 on my 20x9's in the front and 275/35/20 on my 20x10's in the rear. My car has the SR lowering springs (1.5" front and back). The offset on these wheels seems perfect for what I was looking for, which is tucked just inside the wheel well.

      Helpful (13)
    • September 15, 2016

      5 2008 GT500 - DougK

      Shelby CS40 Wheels

      Got my new Shelby wheels and Nitto tires and just love them. It really sets the car off. The staff @ American Muscle were great in helping me with the questions that I had. Can't say enough about the positive experience

      Helpful (12)
    • May 12, 2016

      5 2011 GT500 - Bc

      New wheels

      Ordered my wheels and in 2 days they were at my door! They look great. Thanks Bc

      Helpful (11)
    • August 26, 2014

      5 2012 GT500 - rajin Installation Time: Less than 1 Hour

      CS40 Wheel

      Scratched an existing wheel pretty bad....on the website 30 minutes later had one ordered and 2 days later it was installed. Free shipping, best price around and fast service...makes those GM boys pretty jealous...Thanks

      Helpful (11)
    • July 21, 2014

      5 2008 GT500 - pistol2321 Installation Time: Less than 1 Hour

      very Stoked

      I have been looking at theses wheels for 3the yrs and finally have them. Delivery time was awsome, customer service AWSOME.

      Helpful (13)
    • May 29, 2014

      5 2012 GT500 - Biggywin3 Installation Time: Less than 1 Hour

      Shelby CS40 Wheels significantly increase the wow factor

      These Shelby CS40 wheels are a real head turner, I receive numerous compliments and thumbs-up every time I drive my 2012 Shelby. A perfect fit staggered or standard you will not be disappointed.

      Helpful (15)
    • May 13, 2014

      5 2014 GT - Raceastang75 Installation Time: Less than 1 Hour


      These wheels are excellent and really make my ride stand out from the crowd.

      Helpful (13)
    • May 22, 2013

      5 2007 Other - PureShelby Installation Time: Afternoon

      Very happy customer

      I'm proud to say that American muscle is a great place to purchase online. Fast service and great products. I am very satisfied with the new shelby wheels that I purchased. We will do business again. Ty

      Helpful (13)
    • March 29, 2013

      5 2012 GT - BenzStang Installation Time: Less than 1 Hour

      CS40's are great looking!

      I have a white 2012 GT, and went the with Black Machined finish. 20x10 rears and 20x9 up front and I am very impressed. The offset is perfect. Tons of compliments!

      Helpful (13)

    Questions & Answers (4 answers)

    4 Top Rated Questions

    What is the offset on these wheels?

    • Offset is +45mm.

    Helpful (0)

    What are the lug nut torque specs for these wheels?

    • These would maintain the factory torque spec.

    Helpful (0)

    Will these clear the Brembo brakes on a 2014? Also will 305/30/20s fit?

    • These will clear Brembo brakes and work with this size tire.

    Helpful (0)

    What is the center cap diameter i want to put mustang spinners that are 2 1/2 inches in diameter would they fit.

    Post Your Question

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Wheel
    • (1) Center Cap
      Hardware included:
    • None Required

    Tech Specs

    Placement:Rear Only
    Offset:1.77 Inches, 45mm
    Backspacing:7.30 Inches, 185mm
    Weight:29.70 Pounds

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