Cylinder Head Right Big Port Dual AVCS for Subaru EJ207 JDM STI 2008+ 11039AC060

The Right Cylinder Head Big Port Dual AVCS (SKU: 11039AC060) is a genuine Subaru high-performance cylinder head designed for JDM STI models equipped with the EJ207 Dual AVCS engine from 2008 onward. Featuring the renowned Big Port intake design, this cylinder head offers significantly improved airflow compared to standard EJ207 cylinder heads, making it one of the most desirable OEM performance head castings for high-power engine builds. It supports Subaru’s Dual AVCS (Active Valve Control System) variable valve timing technology on both intake and exhaust camshafts, improving engine response, efficiency and power delivery across the RPM range. Manufactured according to Subaru factory specifications, it provides precise fitment, OEM reliability and excellent performance potential.

Compatibility:
– Subaru EJ207 JDM STI 2008+ Dual AVCS
– Subaru Impreza WRX STI Spec C GRB / N14 applications
– Compatible with EJ207 Dual AVCS performance engine builds using OEM Big Port cylinder heads

Features:
– Right-hand cylinder head
– Big Port intake runner design for increased airflow
– Dual AVCS support (intake and exhaust camshaft variable timing)
– High-performance OEM Subaru casting
– Suitable for motorsport and high-power EJ207 engine builds

Manufacturer: Subaru
SKU: 11039AC060