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Manley 221424-16 - Manley NexTek Valve Springs

  • Valve Springs, Dual, 1.640 in. Outside Diameter, 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
  • Application Specific
  • Savings
    • Buy NexTek valve springs, get FREE valve spring seats!
  • Estimated Ship Date: Today
 
BrandManley
Manufacturer's Part Number221424-16
Part TypeValve Springs
Product LineManley NexTek Valve Springs
Summit Racing Part NumberMAN-221424-16
 
Number of Springs Per ValveDual
Outside Diameter of Outer Spring (in)1.640 in.
Coil Bind Height (in)1.070 in.
Damper Spring IncludedNo
Spring Rate (lbs/in)647 lbs./in.
Inside Diameter of Outer Spring (in)1.185 in.
Inside Diameter of Inner Spring (in)0.860 in.
Valve Spring StyleStandard
CoatedNo
QuantitySold as a set of 16.
 

Better designed valve springs using state of the art machinery for purpose built racing engines. These Manley NexTek valve springs are manufactured from super clean hi-tensile chrome silicon steel and are shot peened to MIL specs for maximum fatigue life. They feature a proprietary multi-step heat treating that minimizes load loss and have computer aided modeling to minimizes valve bounce and valve gear separation. The Manley NexTek valve springs are smaller diameter and lightweight, allowing engines to rev higher faster. They have extended tip thickness designed to eliminate overload breakage, and the tightly controlled open end flatness reduces valve stem side loading.

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