Original factory stamped C8ZF-17294-A, for V8 w/ A/T auto transmission and 3.91 V-code or 4.11 Y-code or 4.30:1 W-code rear axle use. Die cast straight gear adapter, shows supplier Stewart Warner script & Made in U.S.A., ratio .6944. Also a part of the Drag Pack option when these low rear gears were ordered. Main housing in fine shape w/ as-cast finish, threads for cable ferrule are clean. Steel end support pinned tight in place, locating flange un-bent, sliding surfaces are clean w/o pitting. Includes a green 17T driven gear w/ C-clip retainer, new O-ring, cable clip. Turns easily by hand w/ smooth motion felt when spun through good square drive. Fits ’68-’72 C-6 tail housings, however applications for Toploader 4-speed Mustang & Torino are different. It’s an OEM production Ford item w/ the correct form & fit for a survivor or nice driver type Shelby GT500 / mach 1 / GT / Grande / convertible / Cobra / Mercury XR-7 / Cougar Eliminator / Cyclone. Finally be on your way with accurate speedometer readings on the specially equipped automatic 428 SCJ & 429 Super Cobra Jet cars.