Ringbrothers Offers New Universal Billet Gas Cap

002_Gas Cap_65Ballistic Mustang

New from Ringbrothers – the Universal Billet Gas Cap. This CNC-machined billet gas cap is designed to outperform the factory cap. See more details below.

Official Release:

Internationally acclaimed custom car builder and billet parts manufacturer Ringbrothers has announced the addition of the Universal Billet Gas Cap to its line of high quality CNC-machined billet accessories for classic American vehicles. Ringbrothers billet products are artfully constructed in-house in Spring Green, Wisconsin and are engineered to outperform the factory pieces.

The Ringbrothers Universal Billet Gas Cap is designed as a universal product that fits several different makes and models. Ringbrothers developed this cap on many of its recent custom builds, including the 1958 Ford F-100 shop truck Mike and Jim built for themselves, as well as customer cars like the 1966 Chevrolet Chevelle “Recoil” and most recently, the 1969 Chevrolet Camaro “G-Code” and the 1965 Ford Mustang convertible “Ballistic.”

The Ringbrothers Universal Billet Gas Cap (Part Number: 99000-9208) is machined from solid 6061–T6 aluminum and is designed to bond to an existing fuel cap, rather than be a direct product replacement. The Ringbrothers cap lends a pleasing weight and shape to the factory fuel filler and serves to increase the appearance of quality of any custom car.

The cap is available in either a natural finish or a black hard-anodized aluminum finish, comes with all necessary hardware for affixing it to the factory cap, including six stainless Allen-head screws and is machined with pride in the U.S. to Ringbrothers’ exacting quality standards.


  • High quality CNC-machined billet aluminum
  • Engineered to outperform the factory pieces
  • Available in either a natural finish or a black hard-anodized aluminum finish

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About the author

Chris McWilliams

Chris McWilliams grew up watching his dad race go-karts around his Southern Indiana home and started racing junior dragsters when he was 10 years old. Chris drove a UMP Mini Stock for two seasons until he totaled his racecar in an accident at Western Kentucky Speedway. He is currently a college student at Oakland City University working on a degree to pay the bills for his dirt racing addiction.
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