Stock replacement choke thermostat assembly.
Divorced choke mounts directly to intake manifold surface.
Replaces Rochester OEM choke #460110.
Replaces Carter OEM choke #170-1562.
Various GM Products w/ Chevrolet 250, 350, 400 engines.(Rochester 1bbl, 2bbl, Quadrajet)
When heated, the "loop" at the end of the bi-metal spring moves UP away from the intake manifold.
Verify location and direction of travel of "loop" locted on end of bi-metal spring.
Use divorced choke cover (Item # 1280) with this choke thermostat.