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Super Finished NexTek H.P. Valve Spring HEMI Drag Pak
Product Discontinued
MANLEYPART NUMBER: 660-221431X-1

Super Finished NexTek H.P. Valve Spring HEMI Drag Pak

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Chrysler 5.7L/6.1L HEMI
    NexTek H.P. Valve Spring
  • HEMI Drag Pak
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 370 @ 1.161'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.

    Chrysler 5.7L/6.1L HEMI high performance hydraulic roller applications. *Note: These Chrysler Hemi Drag Pak springs do not include any shims or piloting rings.

  • Type of Spring: Super Finished Single Conical Ovate Wire
  • Color Code: N/A
  • Installed Height and Pressure: 1.811' @ 145 lbs./in.
  • Open Height and Pressure: 1.161' @ 370 lbs./in.
  • Spring Rate: 353 lbs./in.
  • O.D. of Outer Spring: 1.076' Top / 1.311' Bottom
  • I.D. of Outer Spring: 0.650' Top / 0.885' Bottom
  • I.D. of Middle Spring: N/A
  • I.D. of Inner Spring: N/A
  • Coil Bind height: 1.100'
  • Weight: 72 grams
  • Damper Included: No

    Click Here to see 660-221431 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221431X-1
Package Qty1
Package TypeEA
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