M159 CNC Ported Heads

Precision 5-Axis machined and fully blue-printed for extreme duty and highest power potential for your M159, our CNC Ported Heads are a must have when building your M159 equipped AMG. The team at Premier Tuning Group completes a full overhaul of your M159 head to transform it to 400+ CFM flow.

Our engine build team goes the extra mile to give you not only a reliable head rebuild but also a completely reshaped port to perform both naturally aspirated and forced induction. The scrutinizing process includes, full disassembly, CNC porting, 5 angle valve job, high pressure cleaning, clean decking, new OEM valve seals, full check of springs and valves, valve height measurement, chamber CC check, and final assembly.

Benefits Include:

• 400+ CFM Flow @ .550" Lift w/ 2.0" Exhaust Pipe
• 5-Axis CNC Ported Intake & Exhaust Ports
• Five Angle Valve Job
• Full Health Check of Head
• High Pressure Cleaned
• Clean Decked for Perfect Straightness
• New OEM Valve Seals

This product requires a core exchange. Please contact us at Info@premiertuninggroup.com for assistance. Based on varying degrees of core quality, some heads require new valves, springs, locks, or additional components at an additional cost.

Note: This item is ordered on demand from PTG USA. Expected lead time is 2–3 weeks. We’ll notify you if any delays apply. All import duties and taxes are included in EuroFlow’s price.