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The Manley NexTek valve spring kit is a race‑focused spring set engineered for demanding competition. NexTek springs resist load loss and valve‑train degradation for more consistent spring force deep into a run, reduced valve bounce, and improved high‑RPM stability. Built from specially processed premium chrome‑silicon stock, these springs suit Sportsman drag racing and other intense motorsport applications.
Manley Pro Stock / Fuel / Alcohol NexTek Series Drag Race Valve Springs
