Parts For Sale NOS 1972 and 73 deceleration valves for 351C 4V, 4 speed cars

[Doug's 73 Mach1]

Pictured are two of these emissions related valves (only one used per car), they are NOS. Factory installed valves were very often removed and discarded. They mount on top of the intake manifold in the right rear corner area and were used to reduce emissions during deceleration. $85 each shipped within US.