2001-2004 Duramax LB7 Freedom Series Cylinder Head w/ Cupless Injector Bore (Driver Side) (FPE-61-10001-D-CL) 2005 - 2006 GM Additives & OilsFreedom Series cylinder heads for the LB7 6. 6L Duramax now with a cupless injector bore save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our state of the art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve
reliability and workmanship you have relied upon for years from the Compstar line up is taken to the Xtreme
BC3Z-6F073-C and BC3Z-6F073-D
Underdrive Piston 2 piece
you'll enjoy smooth throttle response and big top-end power
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
Lucas Engine Oil Stop Leak is also effective at stopping leaks in automatic transmissions
Pulse exhaust flow directed to the dual volute T6 turbine improves turbo spooling response for quick clean power
The best look in the industry delivered via a revamped
9L 12V diesel engine with enough fuel for 1200-1500 HP multiple aggressive fueling upgrades
Banks Boost Tubes are the largest charge air cooler pipes in the industry
5" mandrel-bent intake tube
Comes with an aluminum knurled knob
