Cylinder heads · Glendale, Arizona
Cylinder Head Resurfacing
Head resurfacing addresses the cylinder head’s gasket face. It is a different decision from rebuilding the valves or machining the engine block.
What this service addresses
A gasket sealing problem may involve surface distortion or damage, but resurfacing is not a substitute for understanding the failure. A coolant leak or overheating event can have more than one cause. Copper State Machine Shop offers cylinder head resurfacing for gas and diesel heads; the amount and suitability of machining must be considered for the specific engine and head.
Before deciding on the work
- Gasket type and the engine’s requirements influence the surface needed; there is no universal finish for every head.
- Prior cuts, remaining head dimensions and the relationship to valve-train geometry can limit what is appropriate.
- Damage beyond the gasket face may mean a surface-only job is not enough. Share the failure history.
What to bring or include
- The head, engine identification and information about previous resurfacing if known.
- The intended gasket information and any relevant engine specifications you have.
- Notes about overheating, gasket failure and any other work planned on the head or block.
Planning the job
- 01
Identify the application and discuss why resurfacing is being requested.
- 02
Consider the gasket face, previous machining and whether head rebuilding or valve work also needs discussion.
- 03
Agree on the surface-work scope before machining and plan the next assembly steps around the engine requirements.
Cylinder Head Resurfacing: common questions
Will resurfacing fix every head gasket failure?
No. A gasket can fail for reasons unrelated to the surface. Resurfacing does not resolve every cooling-system, casting or assembly problem.
Is head resurfacing the same as block decking?
No. They address the two different faces that meet at the head gasket. If the engine has suffered a gasket failure, include any concerns about both surfaces in your request.
Can a previously resurfaced head be cut again?
That depends on its remaining dimensions and the engine requirements. Bring any records of earlier machining.
Do I need a valve job too?
Not automatically. Valve sealing and gasket-face condition are separate issues, although both may need attention on the same head.