Oval block off plate prevents unauthorized access to thermostat port for vacuum linkage carbs, ensuring proper engine operation
Includes gasket, two bolts, and lock washers for a complete, secure installation
Designed specifically for classic Pontiac tri-power systems, ensuring compatibility
Restores original appearance and function after rust and wear from previous use
Summarized by Shop
This is the oval block off plate on the front of the manifold. It includes the plate, gasket, two bolts and lock washers. This blocks off the port for the thermostat/switch that controlled the opening of the end carbs on vacuum linkage cars. I replace them in every restoration. The old plates rust away from the back side, often heavily pi
