Z20LEH Cylinder Head Porting & Polishing

This service improves airflow through the Z20LEH cylinder head by reshaping, smoothing, and optimising the intake and exhaust ports. Ideal for turbocharged or naturally aspirated performance builds seeking improved response and top-end power.

Includes:

Intake and/or exhaust port reshaping

Smoothing and polishing

Port matching if required

Cleaning and final inspection

-Booking & Postage Information

All machining services must be booked in advance. After placing your order, please contact us to schedule your machining slot and confirm turnaround times.

Postage to and from our workshop is not included in the service price. Customers are responsible for sending parts securely packaged.

If preferred, we can arrange collection and return shipping at the customer’s expense.

Please get in touch if you need assistance organising delivery or want to confirm availability before sending your parts.