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Super Finish NexTek H.P. Valve Springs 4.6/5.4L SOHC 3V
InfoVehicle Info Needed
MANLEYPART NUMBER: 660-221433-24

Super Finish NexTek H.P. Valve Springs 4.6/5.4L SOHC 3V

$42869
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Ford 4.6L/5.4L
    NexTek H.P. Valve Springs
  • 4.6/5.4L SOHC 3V
  • 1.101'' O.D.
  • 0.650'' I.D.
  • 258 lbs./in. Spring Rate
  • 110 @ 1.670'' Installed
  • 260 @ 1.090'' Open
  • 0.580'' Max Valve Lift
  • 1.020'' Coil Bind
  • Single Conical Ovate Wire
  • 24/pkg

    Ford 4.6L, 5.4L SOHC 3-Valve stock diameter hydraulic roller applications.

  • Type of Spring: Super Finish Single Conical Ovate Wire
  • Color Code: N/A
  • Installed Height and Pressure: 1.670' @ 110 lbs./in.
  • Open Height and Pressure: 1.090' @ 260 lbs./in.
  • Spring Rate: 258 lbs./in.
  • O.D. of Outer Spring: 1.013' Top / 1.101' Bottom
  • I.D. of Outer Spring: 0.650' Top / 0.738' Bottom
  • I.D. of Middle Spring: N/A
  • I.D. of Inner Spring: N/A
  • Coil Bind height: 1.020'
  • Weight: 49 grams
  • Damper Included: No

    Click Here to see 660-221433 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height3.3
Package Width5.1
Package Length5.2
Weight2.855 PG
Part CategoryPerformance Parts
Installed Height (In)1.670 in.
Open Height (In)1.090 in.
QuantitySet of 24
Seat Pressure At Installed Height (Lbs)110 lbs.
Part FitmentSemi Universal
Spring Rate (Lbs/In)258 lbs./in.
Coil Bind Height (In)1.020 in.
Valve Spring StyleConical ovate wire
Open Pressure (Lbs)260 lbs.
Vendor Part Number221433-24
Package Qty1
Package TypeEA
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