Brand: ATI Performance Products Manufacturer's Part Number: ATI407056 Part Type: Automatic Transmission Drums Product Line: ATI Automatic Transmission Drums Automotive Fittings Part Number: ATI-407056 UPC: 800157034763 Remanufactured: No Transmission Drum Material: Aluminum Sprag Assembly Included: Yes Quantity: Sold individually. Notes: Features heavy-duty center support, 6 direct clutches, 4 clutch intermediate pack, and holds up to 8 direct clutches with 0.060 steels. Description: ATI Performance automatic transmission drums eliminate the need for steel bushings and sleeves that can expand under heat and come loose, ultimately causing transmission failure. They come equipped with Torrington bearings and are designed to triple clutch life and lower ETs.