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EGT's running too high? Can't use all of the fuel you have available? The 6.7L Air-Boss 67 Grid Heater Delete gives the largest flow increase possible short of milling the cast plenum off of the head and going to a fabricated intake such as the ZZ Fab or Hellman unit.The Air-Boss 67 is not just a replacement flat plate. The Air-Boss 67 Grid Heater Delete is a billet aluminum, internally elevated plenum cover designed to flow as much air as possible to cylinders 4, 5, and 6. With careful machining we were able to gain a full .220" of internal height while still allowing the use of the factory mounting hardware.Air-Boss 67 elevated intake plenums are compatible with all stock style intake manifolds and the increased airflow provided by the Air-Boss 67 greatly reduces EGT's.Kit Includes: Air-Boss 67 intake plate, factory gaskets, fuel rail stand-offs, and intake temperature sensor sealing ring.
NOTE: Does NOT Fit Cab & Chassis Trucks.
NOTE: NOT For Use On 2019+ Trucks.
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