Nice vintage good working Buick Vacuum Trunk Release Kit, as pictured.  The Trico trunk unit has P-90451-12 casting number, and the glove box actuator has P-90319-8 casting number. This was pulled from the car back in the late 1980's and has been in dry storage ever sense.

Tentatively identified to fit 1963 - 1964 Buick LeSabre, Wildcat, and Electra models.