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Vacuum Secondary Performance. The Edelbrock 12412 Vacuum Secondary Spring Kit includes 7 springs. Fits Holley 4150, 4150Hp, and 4160 series carburetors as well as various Demon models. This kit provides a range of spring tensions that allow precise tuning of carburetor vacuum secondary opener response for enhanced throttle control and engine performance.
_x000D__x000D_Construction and Appearance. Made from durable steel, these springs are engineered for strength and longevity. The steel material ensures reliable function under high-performance conditions, maintaining consistent tension and responsiveness throughout their service life.
_x000D__x000D_Installation. Installation is straightforward for those familiar with carburetor components, requiring no drilling or modifications. The springs can be easily swapped to customize throttle response according to specific engine tuning needs.
_x000D__x000D_Warranty. This product includes a 12-month limited warranty covering manufacturing defects.
_x000D__x000D_Application. Designed specifically for Holley 4150, 4150Hp, and 4160 style carburetors, as well as Demon King, Mighty, Race, Road, Sea, Speed, and Barry Grant Claw series carburetors, ensuring proper fit and function within these models.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov