S54 Stage 3 Performance Cylinder Head
Our Stage 3 Cylinder Heads feature the following:
- Supertech Valve Spring Kit
- Supertech Black Nitrided Intake and Exhaust Valves (OEM Size)
- Pocket Port and Polish
- New Valve Guides
- 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
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. We recommend this option for heads receiving overbored throttle bodies.
Valve guides are included in the Stage 3 head at no additional cost.
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.