New listing, not often seen NOS, GM 3954621
https://www.kijiji.ca/v-transmission-drive-train/winnipeg/1965-1968-impala-4-spd-nos-bell-crank-z-bar-3954621/1706713382
1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)