37mm +1mm Oversize Intake Valve

This valve features a 37mm diameter and a +1mm size increase over stock, which is engineered to enhance airflow and boost overall engine performance. When considering an engine rebuild or seeking to upgrade your cylinder head, replacing stock intake and exhaust valves with performance-oriented components like this one is a significant step towards achieving greater power. GSC Power-Division utilizes advanced design, FEA, and flow simulation software, combined with real-world performance testing, to create their valve train components. These products are meticulously designed and manufactured on-site using dedicated CNC machining centers, ensuring the utmost attention to detail, tolerance, and specification. This commitment to quality and performance has established GSC as a worldwide supplier for high-performance engines. For optimal performance and longevity, it is recommended to replace valve springs and valve stem seals concurrently with these new valves. This comprehensive approach will allow your engine to achieve higher revs more effectively. This specific intake valve is a direct fit for the specified Subaru EJ engines, contributing to a smoother running vehicle and improved performance.