Stifflers

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 more applications...T-5, AOD, AODE, 4R70W, G101A, GF5R, TKO, TKX, TR-3550, C6 & 4L60E**! This unique single tube design adds stiffness and strength far beyond that of the OEM versions...

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

Your answer for Converting a '94-'98 to T-56 (all), T-45*(Cobra Spec) & TH-400** A direct fit for upgrading to a T-56(including Magnum & XL), T-45*(Cobra Spec) or TH-400**...

1996-1998 COBRA - For T-56 (All), *Cobra Spec T-45 & **TH-400 Transmissions This crossmember is specifically designed to be used with the 96-98 Cobra "bolt-on" style crossmember mounts when...

"The" Crossmember for your 1994 - 1998 Conversion - Direct bolt-in  for your C4, PowerGlide*, TH-350* & Top Loader Swap! This unique single tube design adds stiffness and strength far beyond...

"The" Crossmember for your Transmission Upgrade 1949 - 1979 2wd F-1/F-100/F-150 Trucks (For AOD, AODE, 4R70W, c4, C6, T-5, T-45, T-56, TKO, 3550, 3560, TH350, TH400, Powerglide & More!) (*Does...

"The" Crossmember for your 6R80, 10R80 or MT-82 Upgrade! 1948 - 1979 2wd F-1 / F-100 / F-150 Trucks This Stifflers crossmember is a great addition to your classic Ford Truck upgrade when installing a...

A direct replacement for the flimsy, stamped steel OEM unit, this crossmember is a great addition to your F-150 truck! Transmission Crossmember 1999-2004 Lightning / Harley Davidson Designed to be a...

"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 & More!) (*Does NOT...

"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...

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...

The FIT System is a modular approach to achieving the ultimate  in chassis stiffness and strength through design. By integrating three key components into a modular system, the Fully...

Show your Stifflers Pride. Show Your Stifflers Pride! These 18" diecut Stifflers decals are perfect for your windshield or back glass, tool boxes, trailers and more. Get yours today and show off...

Are you Stifflers Equipped? These diecut Stifflers Equipped curved windshield banner decals are a perfect way to let everyone know you mean business. Get yours today and show them you're Stifflers...