Secondary Diaphragm

The Secondary Diaphragm by Holley is an essential component for automotive enthusiasts and mechanics who are focused on optimizing the performance of their vehicles. Specifically designed for Holley carburetors, this diaphragm plays a crucial role in managing the vacuum secondary system, ensuring that your engine responds effectively under varying loads. Whether you're upgrading your classic muscle car or tuning a performance vehicle, this component is indispensable for achieving peak performance and reliability.

Constructed from high-quality rubber and steel, the Secondary Diaphragm is engineered to withstand the demanding conditions of automotive environments. Its design allows for precise control of the secondary throttle plates, which enhances the efficiency and throttle response of your engine. By effectively managing airflow, this diaphragm contributes to improved fuel atomization and combustion, ultimately leading to better acceleration and performance. With a weight of just 0.07 lbs and dimensions of 5 x 2.1 x 6.95 inches, this component is compact yet powerful.

Enthusiasts and mechanics will benefit most from the installation of the Secondary Diaphragm, especially those working with Holley carburetors in various applications, from street vehicles to race setups. This diaphragm is a direct replacement part, making it straightforward to install for those with basic mechanical skills. Whether you are restoring a vintage car or enhancing a modern performance vehicle, integrating this diaphragm into your setup can yield significant improvements in throttle response and overall engine performance.