Secondary Air Valves, Pontiac style

Used Pair of secondary air valves, Pontiac with cut outs

Secondary lock out, early style 31393

Used early style secondary block off. short arm Mounted on air horn and blocks secondary air valves from opening when choke is active Stamped 31393, 37968 or other

Secondary lock out, early style 32728

Used early style secondary block off with long arm. Mounted on the air horn and prevents the secondary air valves from opening when choke is activated. Stamped 32728, 37361, 33516

Secondary spring tension adjuster and lock screw, Used

Used secondary tension spring adjuster and lock screw. This item is located on the air horn of the Quadrajet and is used to adjust the tension spring for seconday air valves.