Core small block C6 Transmission valve body for any 1971-73 Mercury Cougar or 1971-73 Ford Mustang with code "U" transmission code on the door tag and either "M" or "Q" code 351-4V or 351CJ engines. This is only for 1971 or 1973 transmissions with P-R-N-D-2-1 shift pattern, floor shift. Sold as a core, should be thoroughly cleaned and rebuilt with quality parts. These units can be upgraded with 'shift kits' to firm up shifts, add longevity, and they help reduce and eliminate clutch and band slippage. Various kits available in the aftermarket, we offer one as well. This core unit may or may not have a factory tag attached. Typical tag numbers: CC, CD, CL, CP, CW, CX, or GU.
Basic Ford part number 7A100 on these main control assemblies. Ford part number D0AZ-7A100-F or D2AZ-7A100-C.