This is a brand new cylinder head casting. There is no core required. These new castings address any design flaws in the original OEM design. This cylinder head is a direct replacement for the OEM cylinder head and will accept all accessories and brackets exactly like the factory cylinder head.
The new cylinder heads are available in three combinations:
OEM Loaded – The cylinder head comes ready to install with factory style valves, springs, and retainers installed.
HD Loaded – This cylinder head comes ready to install with heavy duty valve springs, valves, and retainers installed. This head is recommended for high horsepower and high boost applications.
All cylinder heads carry a one year unlimited mileage warranty.
***Picture may be stock photo and not exact equipped head***
**** Flat truck shipping rate is for the continental US states only. ****