1/8 On-Road Body Aero Kit w/Spoiler & Stiffeners by Protoform

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This is the Protoform 1/8 Scale On-Road Body Aero Kit, for use with 1/8 scale on-road bodies, such as the IFMAR World Championship-winning PROTOform R18 and P909.

Keeping the aerodynamic and structural integrity of your 1:8 On-road body intact is an essential part of high-level racing, and now you can reinforce yours with the lightest body stiffening kit on the market. Instead of the standard flat die-cut heavyweight lexan, the PROTOform 1:8 Aero Kit features stiffening contours molded directly into lightweight lexan for uncompromised rigidity. Added weight is minimized, keeping your 1:8 carís center of gravity as low as possible to maximize corner speed, while still keeping the sides of your body from fluttering down the straightaway.

Each 1:8 Aero Kit includes a large main stiffener for behind the rear wheels: pre-formed, pre-cut and ready to install. Two small and two medium size stiffeners are included to reinforce the sides of the body with a few simple bends. Included double-sided tape keeps the whole kit in place. 

Also included in the kit is a rear spoiler/gurney strip, vital to keeping the rear of your car planted. The spoiler is die-cut & bent to size with 20mm slots for adjustability in different track conditions.



  • Molded-in contours for uncompromised stiffness
  • Extremely lightweight to maximize corner speed
  • More consistent handling
  • Easy to install
  • Conveniently pre-cut
  • Adjustable rear spoiler
  • Proudly Made in the USA


  • (1) Die-cut rear spoiler
  • (4) Spoiler mounting hardware
  • (1) Large Rear Stiffener
  • (2) Medium side stiffeners
  • (2) Small side stiffeners
  • (5) Double-sided mounting tape
  • (1) PROTOform decals

This product was added to our catalog on January 22, 2016.