Holley - Quick Change Secondary Spring Kit

Upgrade your Holley carburetor with the Quick Change Secondary Spring Kit. This high-quality secondary diaphragm cover is expertly crafted from black plastic and designed for quick and easy installation. Perfect for optimizing the secondary response of your carburetor, this kit includes everything you need to make swift adjustments, ensuring your engine runs smoothly and efficiently. Tailored for Holley carburetors, this kit is an essential for any vehicle enthusiast looking to enhance performance.