Crossmember Accessories

"The" Crossmember for Your '80-'97 2wd F-150/F-250 Transmission Upgrade (For AOD, AODE, E4OD, 4R70W, C4, C6, T-5, T-45, T-56, TKO's, 3550, 3560, TH350, TH400, Powerglide & M

"The" Crossmember for Your '80-'97 2wd F-150/F-250 Transmission Upgrade (For 6R80, 10R80 and MT-82 transmissions) This Stifflers tubular crossmember kit is a great addition to your OBS Ford Truck...

Easy Bolt-In Kit for your 6R80, 10R80 or MT82 Swap (79-04 Mustang)! Stifflers kit comes with all you need to install a 6R80, 10R80 or MT82 transmission in any 79-04 Mustang / Cobra! At the core of...

Stifflers 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...

Putting a T-45, T-45 Cobra Spec, T-56 (includes Magnum & XL), TR-3650 or TH-400 in your Fox? We have the Crossmember for you! A direct fit for upgrading your Fox to a T-45, T-45 Cobra Spec, T-56,...

Works with AOD, AODE, 4R70W, C6, G101A, GF5R, T-5, TKO*, TKX*, TR-3550, and 4L60E** transmissions. Stifflers single tube design adds stiffness and strength far beyond that of the OEM versions...

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