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MAN-221437-16 PART NUMBER
Manley 221437-16 NexTek Performance Street/Strip Valve Springs$365.21Ford 4.6L/5.4L SOHC, Single Spring, Conical Ovate Wire, 1.030" Top 1.175" Bottom Outer Diameter, .642" Top .787" Bottom Inner Diameter, Seat Pressure 125 @ 1.680, Open Pressure 265 @ 1.130, Coil Bind 1.080", Set of 16 Learn More