Divorced Choke Thermostat - NOS #3998143 - Rochester
Our Part # 1208-2NOS

NOS / New Old Stock GM Part in original box. VERY Limited Quantity

Fits:
Buick 250 w/o NOx 1973-74
Chevrolet 250 1972-74
Chevrolet Truck 250 1972-75
GMC 250 1972-73
Oldsmobile 250 1973-74
Pontiac 250 1972-74
Also fits various GM Products w/ Chevrolet 250, 350, 400 engines.(Rochester 1bbl, 2bbl, Quadrajet)

Divorced choke mounts directly to intake manifold.
Also know as a Crossover Choke.
Quantity: 1

Interchanges with GM & Rochester OEM Choke # 333992, 7045971

Use divorced choke cover (Item # 1280) with this choke thermostat.

When heated, the "loop" at the end of the bi-metal spring moves UP away from the intake manifold.

Note:
Verify location and direction of travel of "loop" located on end of bi-metal spring.

If you need choke to move in the opposite direction of this choke, check out our part # 1213.