The Killer Grid Heater Upgrade Kit is purpose-built to address a major flaw in the 6.7L Cummins engine that can result in total engine destruction. The problem lies in the electrical connection to the intake grid heater. When powering the grid heater, 200 amps pass through a small bolt and nut inside the intake and over time is known to deteriorate and eventually arc and break off. This nut drops into the engine, leading to extensive damage to the piston, head, and valves. There are several solutions currently on the market addressing this issue, but they are very costly upgrades, they drastically reduce the amount of heat available to the engine and typically require tuning or don'(TM)t work well in cold climates. This kit upgrades that flawed electrical circuit by eliminating the problematic bolt and nut inside the intake while retaining stock functionality of the heater, is cost-effective, and is easy to install.. The Killer Grid Heater Upgrade Kit is purpose-built to address a major flaw in the 6.7L Cummins engine that can result in total engine destruction. The problem lies in the electrical connection to the intake grid heater. When powering the grid heater, 200 amps pass through a small bolt and nut inside the intake and, over time, is known to deteriorate and eventually arc and break off. This nut drops into the engine, leading to extensive damage to the piston, head, and valves. Several solutions are currently on the market addressing this issue, but they are costly upgrades. They drastically reduce the heat available to the engine and typically require tuning, or they don't work well in cold climates. This kit upgrades that flawed electrical circuit by eliminating the problematic bolts and nuts inside the intake while retaining the stock functionality of the heater, and it is cost-effective and easy to install.. 2007-2012 applications require the use of a Dremal or hacksaw to remove an aluminum tab on grid heater (See installation manual for detailed instructions). Self-locking threads built into the lower busbar which will prevent the connection from backing out and compromising electrical connection. Easy installation with minor modification required for 2007-2012 applications (see note in About This Product section below). Self Locking Threads Built Into The Lower Busbar To Prevent The Connection From Backing Out And Compromising Connection. Eliminates both problematic nuts found in the OE grid heater by fastening directly into the lower busbar. Kit includes replacement hardware and gaskets, along with special tools required for the job. Kit Includes Replacement Hardware And Gaskets; Along w/Special Tools Required For The Job. Eliminates The Problematic Grid Heater Bolt And Nut That Could Lead To Engine Damage. BD Diesel 11-24 Dodge (Ram) 2500/3500 6.7L Cummins Killer Grid Heater Upgrade Kit. KILLER GRID HEATER UPGRADE KIT DODGE/RAM 6.7L CUMMINS 2500/3500 2007-2024. Killer Grid Heater Upgrade Kit; Incl. Replacement Hardware/Gasket;. Allows for full heat output with the stock intake grid heater. Allows For Full Heat Output w/The Stock Intake Grid Heater. Easy Installation w/No Modifications Or Tuning Required. KILLER GRID HEATER UPGRADE KIT DODGE/RAM. SEMA Certification No. SC-BDD01-0135. Killer Grid Heater Upgrade Kit. Is Fully Emissions Compliant. Fully emissions compliant. Engine Air Intake Heater. EngGridTypePreHeatBk. KILLER GRID HEATER. Patent pending

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