C7 Corvette Stingray Convertible Rear Widebody Conversion Kit | ACS

GM Rear Widebody Convertible, Z06 Scoop, w/ Rear Bumper

Description SKU [45-4-157]PRM
Lower Rocker Functionality
Rear Spoiler
$3,399.00 USD

GM Wide Body Conversion Kit for the Stingray C7 Convertible 2014+

A complete bolt on Rear Wide Body kit using OEM Panels and an ACS lower rocker integration panel.

The wide body conversion kit will add serious swagger to your C7 Stingray. By extending the rear width, new width tires and wheels can be added to truly the your C7's power to the test!

The main benefit of this package is that the OEM rockers do not need to be unglued from the car's aluminium rails - an expensive and dangerous procedure that would require removing the doors, and potentially causing distortion due to aluminium heating. The combination of ACS Composite and GM parts enables a true bolt on widebody that can be easily installed in a few hours.

Package ships via Freight, shipping in the US is standard 450$ to a business address

Specs and Details:

  • Gives an added 40 mm width on either side. Allows for a 20x12 wheels with 335-25-20 tires.
  • Z06 driver and passenger side quarter panels
  • ACS rocker extensions
  • Rear fascia
  • Diffuser extension bezel
  • Gas cap cover
  • Wheel liners
  • Z06 rear spoiler with Stage 1 Wickers in CFZ
  • All hardware included


Lower Rocker Functionality

  • Non-Functional Brake cooling ductwork
  • Functional Brake cooling ductwork for Z51 equipped Stingray 45-4-149
  • Functional Brake cooling ductwork for non-Z51 equipped Stingray 45-4-151

Rear Spoiler

  • No Spoiler, holes are pre-drilled in fascia. 
  • Stage 1 wickers are 1/2" taller than the spoiler.
  • Stage 2 wickers are 1 1/2" taller than the spoiler.
  • Stage 2.5 wickers are 2 1/2" taller than the spoiler.

Application Guide:

C7 Stingray Convertible 2014-19

How difficult of an install is the widebody? Can I do it myself, or should I seek a professional? Do any extra modifications need to be done to the car to get this to fit?

The widebody is more of a lengthy install than it is a difficult one. Professional help is always great, and takes the burden off the customer! But, everything is included to install it yourself. Detailed instructions guide you through the entire install. No extra modifications are needed to get the widebody to fit (i.e no cutting extra panels, trimming, sanding down body lines etc).

Does the widebody come prepainted?

No. It comes in a primer finish. This is a to-be-painted surface that will require a final sanding prior to paint. We offer paint matching with select C7 colors. It is an additional $1,750.00 to paint all pieces. Please email order@acscomposite.com for more details

Does this wide body widen the front wheels as well?

No. This widebody is for the rear portion of the car only.

Can I keep the rear wheels and tires that I have now?

Technically, yes you can retain your tire and wheels; however, it will look odd! Your rear fascia will be wider than your wheel, and therefore you will not be able to see your tire and wheels. It is highly recommended to upgrade to a 20x12" wheel similar to the Z06. ACS offers a selection of wheels that can be viewed on our configurator. Please contact us directly at order@acscomposite.com for pricing.

  • C7 Corvette Convertible Stingray 2014-2019
Shipping Dimensions:

72"x 48"x 40", 250 lbs.