Fits: 2008-2015 6.6L GMC & Chevy Duramax LMM/LGH

Features: 

• Over speed shut down control utilizing built-in Intake Air control valve
• Safely shuts your engine down if over speeding
• Can be installed in less than 2 hours
• Factory plug-in connections and wiring harness
• Save 3 hours of installation labor over mechanical systems
• Does not set ECM Trouble codes
• Automatically resets after shut down
• Only the switch needs a tool to install
• Easily removed for truck lease returns
• 24-Month Warranty