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Manley NexTek valve springs for the Ford 5.0L DOHC Coyote are high-performance, race-oriented springs specified for four-valve-per-cylinder setups. NexTek springs resist pressure loss and valve-train degradation under demanding conditions, helping maintain consistent spring force, reduce valve bounce, and improve stability at high RPM for track and endurance applications.
Manley Ford 5.0L DOHC Coyote NexTek Series High Performance Valve Springs (4 valves per cylinder)
