Sold and put in to service in over 10 different countries around the world, the Superior Machine and Fabrication Transmission Holding Fixture continues to be our bestselling and most popular transmission stand in our product line of transmission tools to date. The reasons for this transmission fixtures success are simple, the popularity of the models of transmissions it is compatible with, its superior build quality to other transmission stands on the market today, and lastly, it’s economical price point that makes it affordable for both the hobbyist, and the transmission professional. This transmission holding fixture can be used to hold and fixture GM, Ford and Chrysler 3 and 4 speed Automatic Transmission with OEM transmission cases or aftermarket transmission cases with side service dowel pin holes bosses. Popular GM transmissions this fixture is compatible with are the, Turbo Hydra Matic 180C/3L30, 200, 200C, 200-4R, 250, 250-C, 350, 350-C, 375, 400/3L80, 425, 475, 3L80-HD, 700-R4/4L60/4L60E, and 4L80E (no adapter required). Fabricated Tig welded heavy-duty one-piece steel frame will not twist or bend when holding a fully assembled transmission. Swivel base allows fixture to rotates 360° and quick pin locks fixture to base in 4 positions (vertical or horizontal). Included professional grade hardware that will stand up to years of service are as follows: hardened tool steel clamping screws with cast aluminum adjusting knobs and top clamping screw includes hardened steel swivel pad to prevent damage to aluminum transmission cases. Transmission holding fixtures are powder coated with a machine blue smooth satin powder coat finish and are 100% Made In the USA. The last reason this fixture is so popular with customers is that it is available in both bench mount Transmission Holding Fixture design and also available in Transmission Holding Fixture For Engine Stand design that allows fixture to be mounted to most commonly available engine stand heads using (4) ½” bolts.