S54 Stage 2.5 Performance Cylinder Head

Our Stage 2.5 Cylinder Heads feature the following:

• Supertech Stainless Steel Intake Valves OEM Size
• Supertech Inconel Exhaust Valves OEM Size
• Supertech Valve Spring Kit
• Complete Disassembly & Cleaning
• Comprehensive Leak, Crack & Pressure Test
• Inspect All Components For Irregular Wear
• Our High performance Five Angle Valve Job
• New Valve Seals
• Trueness Checked & Resurfaced Mating Surface
• Attention to Potential Hot-spot Areas and Chamfering
  
  

Valve guides and valves will be checked, if replacement is needed it is done at additional cost of $21 per valve guide.

As an option we can blend the throttle body ports to the intake valves and smooth out the CNC cuts on the intake side of the cylinder head. This is recommended for bored throttle bodies.

• A Core cylinder head is required for all head work, please call or email if you will not be supplying us with a head for updated core market price.