BS(?) descriptions mostly paraphrased from Wikipedia:

GM Muncie SM420 Synchro-Mesh Transmission, built from 1947 to 1967

Fully adjustable tie-rod ends and steering drag link.

Recirculating ball (bearing) worm-drive steering mechanism is smooth, durable, and strong compared to competitors' steering mechanisms.

The "torque-tube" enclosed drive-shaft has one universal joint and is a technology used in C4 and C5 Corvettes and 928 and 955 Porches.