Ford Racing PAC 1219X Valve Spring - Single (for M-6049-Z304DA)

This is a Ford Racing PAC 1219X single beehive valve spring, designed for performance applications. It's a key component for anyone rebuilding or upgrading the valvetrain on a wide range of classic and modern Ford engines, including popular models like the Ford Bronco, E-150 Econoline, and Country Squire. These springs are crucial for ensuring your valves close properly and maintain consistent pressure under demanding conditions.

Built with performance in mind, this Pac 1219X spring has an outer diameter of 1.207 inches and a smaller inner diameter of 0.650 inches. It's rated to handle 145 lbs of pressure at an installed height of 1.8 inches, opening up to 358 lbs at 1.175 inches. The spring rate is 340 lbs/in, with a maximum coil bind height of 1.100 inches. These specifications indicate a well-built spring capable of handling increased lift and RPMs, making it a solid option for performance builds where reliability is important.

This listing is for a single spring, and you'll typically need a set of 16 for a complete engine. It's designed to work with the Ford Racing M-6049-Z304DA cylinder heads, so be sure to check compatibility for your specific build.