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Manley NexTek valve springs for the Ford 5.0L DOHC Coyote offer race-focused durability for four-valve-per-cylinder heads. Engineered to resist pressure loss and valve-train degradation, these springs maintain consistent force deep into a run, reduce valve bounce, and improve high-RPM stability—attributes useful for drag, short-track, and endurance competition environments.
Manley Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Springs (4 valves per cylinder)
