Adjustable screw with piston inside to slow down the dump speed of the air ride equipped vehicles
Made in USA with highest quality material and tested against all type of defects.
These will screw into the exhaust solenoid valve on your air ride vehicle
Muffles the sound of exhaust air from dump valve, creates back pressure for certain solenoid valves to keep them from sticking open. (Does not apply to all solenoid valves but only to certain brands requiring back pressure)