Kayser Intake Manifold Regulator Valve 11157501565 is a high-performance, direct-fit replacement valve designed to increase air flow and boost engine performance. It is constructed from a lightweight aluminum alloy and features a CNC-machined valve body for superior strength and durability. The valve is designed to be a direct replacement for the factory-installed valve and is compatible with most popular aftermarket intakes. It is easy to install and comes with all necessary hardware for a trouble-free installation.