Replacement choke for electric thermostats on 4 barrel Rochester carburetors
- Looking at coil = rotates counter-clockwise when heated (choke opens / lean)
- Choke shaft = rotates clockwise when heated (choke opens/lean)
- Choke shaft = rotates counter-clockwise to close (choke closes/rich)
- Cap diameter = 2.25"
NOTE: there is a small notch in the side of these thermostats.
Replaces:OEM GM part #'s 17068956 17110879
On these applications:
GM Truck 85-82