Crossmember Accessories

Easy Bolt-In  Kit for your 6R80, 10R80 or MT82 Swap! (’65 - '70 Mustang)Stifflers kit comes with all you need to install a 6R80, 10R80 or MT82 transmission in any 65-70 Mustang!  At the core of the kit is Stifflers unique single...

'65 - '70 Mustang Custom Transmission Install Kit* (*Does NOT include transmission mount. The ’65-‘70 OEM rubber transmission mount will not work with this crossmember kit) Custom install a modern transmission into your '65-70 Mustang with...

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...

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...

Stifflers 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...

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...

Adapter for installation of TH-350, TH-400 or PowerGlide using Stifflers crossmembers. Use this Stifflers adapter with polyurethane transmission mount (300-ES31108) to install a GM transmission to your Ford and maintain...

Stifflers' Driveshaft Safety Loop Engineered to exceed NHRA regulations. Doesn't get much simpler than this, bolts directly to transmission mount. Quick and easy bolt-in application requires no drilling or welding and is extremely lightweight...

Stifflers' Driveshaft Safety Loop Engineered to exceed NHRA regulations. This one of a kind driveshaft safety loop will save you and your investment from the destructive effects of a broken driveshaft. Quick and easy bolt-in application requires no...

Stifflers' Driveshaft Safety Loop Engineered to exceed NHRA regulations. This one of a kind driveshaft safety loop will save you and your investment from the destructive effects of a broken driveshaft. Quick and easy bolt-in application requires no...