DHD's line of reconditioned Duramax cylinder heads offers superior value with no compromise in quality! Our reconditioned heads are thoroughly reworked in a state of the art Rottler equipped machine shop and assembled with only the best OE components. DHD only uses quality hand picked OEM castings, not inferior imported options you may find cheaper. Each head comes completely assembled in a sealed bag and setup for installation on the side you request.
Why buy DHD?
Fully Decked and Machined Sealing Surface
Complete Valve Guide Inspection and Replacement When Needed
Vacuum Tested to Confirm Valve to Seat Sealing. Ground when needed.
Pressure Tested, and Magnafluxed to inspect for Cranks
100% Disassembled and Hot Tanked
All Threads Cleaned, Inspected
All New GM Keepers
All New GM Valve Seals
OEM GM Casting
Bagged and Ready for Install
2011-2016 GM Truck & Van 6.6L Duramax (LML)
8th Digit of VIN is "8"
Casting #'s 704-1
Note: There is a core charge on this product and in order to receive full credit we need a good, useable cylinder head back. No cracks, warping, or excessive wear.