PH+ Electronic Engine Shut Off Valve Kit 17-20 Silverado/Sierra 2500 HD/3500 HD / 4500 HD / 5500 HD / 6500 HD Chassis Cab Duramax 6.6L (LML/LGH) Engine Diesel engine runaway can happen whenever your engine sucks in flammable particles, such as gas and oil vapors in the air - or even grain dust.
PH+ controls the electronic throttle body in the intake manifold found on most late model diesel engines and will close off the air supply in emergency situations. Protect your life, livelihood and your vehicle with a PH+ Electronic Emergency Engine Shutdown system.
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