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1979-1993 MUSTANG CROSSMEMBERS

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  • Stifflers

    Universal Transmission Crossmember Kit

    $249.95

    79-04 Mustang Custom Transmission Install Kit This kit comes with all you need to custom install a transmission that is not currently covered by one of Stifflers existing crossmembers for your '79-'04 Mustang! This includes installation of...

  • Stifflers

    TKO Install Kit (TKX)

    $19.95

    TKO Install Kit (TKX) Because TKO's and TKX's have a shorter vertical mounting pad height in comparison to most other popular transmissions, these additional spacers are needed to maintain a proper driveline angle. Use with Stifflers Transmission...

  • Stifflers

    Crossmember Solid Bushing KIt

    $24.95

    Solid Bushing Option for Stifflers 1979-1998 Crossmembers For those who desire to have a solid mounted crossmember we offer this optional Solid Bushing Kit. These high strength nylon bushings are lighter than aluminum and will hold up against even the...

  • Stifflers

    6R80 Transmission Mounting Bracket

    $59.95

    Adjustable 6R80 Transmission Mounting Bracket Stifflers adjustable 6R80 Transmission mounting bracket is a perfect starting point for creating your own custom transmission crossmember for the 6R80. It offers slotted mounting holes and an...

  • Stifflers

    Viper Spec T-56 Transmission Mount

    $49.95

    Viper Spec Transmission Mount We offer this transmission mount designed to work with Stifflers crossmembers to install a Viper Spec T56. Please Note: This mount is ONLY intended for TRUE Viper Spec transmissions. These transmissions have a unique case...

  • Stifflers

    Polyurethane Transmission Mount - Ford

    $42.95

    Polyurethane Mount for Ford Transmissions A true performance application component for cars, trucks, hot rods. For racing / competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for...

  • Stifflers

    GM Solid Transmission Mount

    $36.95

    GM Solid Transmission Mount Ford Applications: For those who want to run a solid transmission mount, use our TM-M01 mount in conjunction with your Stifflers Crossmember to solid mount your GM PowerGlide, TH350 & TH400 transmissions. (Please note, the...

  • Stifflers

    Polyurethane Transmission Mount - GM

    $37.95

    Polyurethane Transmission Mount for GM Transmissions (Energy Suspension P/N: 3.1108) Improve Shift Quality Unique Safety Interlock Design Impervious To Vehicle Oils And Chemicals Strong Enough Too Handle High Performance Outlast OEM Rubber Mount...

Stifflers Chassis & Suspension LLC, a leader in late model Mustang and F150 chassis and suspension products, designs, tests, and manufactures components for the true enthusiast. Whether used at the local track or on the street, Stifflers' innovative products are engineered to deliver on their promise of quality, fit, finish, and functionality. Our focus at Stifflers is to develop products that satisfy the needs of the end-user and to design those products to be the most innovative components available on the market today. Stifflers, located just outside of Indianapolis, Indiana, the racing capital of the world, was started in 2010 by founder and head engineer, Brian Figg.

Having spent many years as an engineering technical director in Indy Car and other top open-wheel series, Brian brings his knowledge and experience to the Stifflers product line-up. Racing and engineering are in his blood! The entire team here at Stifflers is made up of automotive enthusiasts that love what we do and what we are creating. It's not work when it's a passion!

Made in the U.S.A., the creation of all Stiffler's products, starting with design and testing, through the manufacturing process, to packaging and shipping, are completed here at our facility to ensure everything meets and exceeds Stiffler's high standards every step of the way. This is our commitment to our customers.

Because of this, we stand behind our products 100%. When you buy a Stifflers product, you are purchasing a highly engineered product that will fit and work right the first time, every time. Trust and quality are what we stand behind and build into every component we make. Contact us today for more information on our custom auto parts for Mustangs and F150s.

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