Manley 221437-16 NexTek Performance Street/Strip Valve Springs

Ford 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

$354.57

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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Description

Manley NexTek Performance Street/Strip Valve Springs have a state-of-the-art winding, thermal treatment and finishing practices that cannot be duplicated. They are made from specially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities. NexTek Series valve springs have been by engine builders and are confirmed to be the best performing valve springs on the market today.

Specifications

More Information
Price	$354.57
Coil Bind	1.080
Number of Springs	Single
Outer Spring Outer Diameter	1.175
Spring Rate (LBS./IN.)	255
Custom Notices	⚠ PROP 65 WARNING