BD Diesel Positive Air Shutdown - Generic 4.0in 1036733

The most effective method to emergency shutdown engine is to cut the air supply; Butterfly valve placed in-line in the air intake system; Heavy duty electrical solenoid trips a locked safety cam causing the engine to shutdown within seconds; Unique locking lever holds valve; Unique bead lock keeps boots in place, no welding required!; Reduced overall size as compared to competitive units; Aluminum and stainless components plus weatherproof electrical connectors to prevent corrosion; CAC pipes included for some vehicles; Automatic engine overspeed electronics