XR8 race -street head package available for modular 5.4 litre BA-BF-FG
Ideal suit supercharged application
Full port job including head resurface and multi angle Newen cnc seat-bowl profiling
Single ovate wire beehive springs and titanium retainers 105 lbs seat pressure .530 lift capable.
Manley single piece race valves -oversize head diameter.
Completely assembled with new seal ready to bolt on.
NOTE we require youre castings to do the work on
Good easy freight services available
Performance Camshafts available EMAIL for details.