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FE FORD Valve Spring Kit, Drop in Fit, High Performance, Flat Tappet, 7 Degree, 352-428

  • Fit OE heads with stepped spring base
  • Image 2
Calculated at checkout

Product Description

 Fits Factory Stepped Base Heads, spring seat machining Not required.

High Lift Valve Spring Kit for FE FORD, 3/8" X 7 Degree Hardware

Application: Hydraulic Flat Tappet

Fitment: FE Ford, 352-428 


Fits most FE engines, from 352 to 428.

Drop in springs are intended for use with many aftermarket Hyd flat tappet performance cams.

Suitable for a wide range of cams between 195-224 degrees duration @ .050" (check your cam spec card)

If you need help determining if this kit is right for your cam, use the "contact us" link and send us the cam brand & part number. We'll verify compatibility and get back to you.

An excellent drop in kit which does not require machine work.

For applications running cams larger than 224 degree duration @ .050", please check out "Max Output I & II" Spring kits available in the FE Ford section.


      Spring Specifications:

  • 1.460" Outside Diameter
  • .980" Inside Diameter of coil spring
  • 110 Lbs @ 1.825" Valve Closed Installed Height (*See note below)
  • 261 Lbs @ .500" Lift
  • 288 Lbs @ .580" Lift
  • Max lift: .580"
  • Fits FE Ford w/ std 3/8" stem valves
  • Spring seat machining not required
  • Fits common stepped spring base iron heads


     Kit includes:

  • Sixteen 7 Degree Chrome Moly Steel Retainer
  • 32 Hardened 7 Degree 3/8" Valve Locks
  • 16 Drop in single springs w/ damper
  • Spec Sheet
  • Installed Height Spec Card


Applications with larger cams should consider one of our "Max Output" drop in valve spring kits or one of our dual spring kits.

* NOTE Proper installation requires measuring installed heights and adding shims as needed to obtain the target installed heights. Each spring kit comes with it's own installed height specification. Use the installed height spec included with your kit.


Alex's Parts- The smart choice in valve train parts~

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