6.4 Powerstroke Cylinder Heads

Description

6.4 powerstroke cylinder heads NEW PROPRIETARY CASTINGS!
Hardened guide inserts
Inconel exhaust valve
Coated stainless steel intake valve
O ringed deck gasket surface
All valve seats are machined within .001 concentricity (that’s what you get when you get an SRE racing valve job just like all of our race engines)
All valves are angle matched to seats and ground within .001 concentricity.
Comes with a complete build sheet with valve guide clearances, recessions, valve angles, and spring specs.