Used C-4 transmission tail shaft or housing extension as Ford called them in the Master Parts Catalog. Fits all 1967-68 Mercury Cougar and 1967-69 Ford Mustang cars with transmission code W on the door tag. Cast aluminum construction, the 1968 Cougar version will have the provision for mounting the damper weight on the bottom.
Replaces Ford part number C6DP-7A040-A.