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FE FORD 352-428, Drop In Valve Spring Kit, Mechanical Flat Tappet Engines, Max Output II

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Price:
$149.50
SKU:
Vsk9m-RM2
Brand:
Shipping:
Calculated at checkout


Product Description

 Fits most OE FE Ford iron castings

MAX OUTPUT II Drop in Valve Spring Kit, for 3/8" Valves

Application: FE FORD, 352, 360, 390, 410, 427 & 428 w/ Mechanical Flat Tappets.

 

This spring kit is intended for FE Ford's running a mechanical flat tappet cam. Fits OE FE iron heads with a stepped spring base.

We offer several drop in spring kits for these engines.

This kit is intended for moderate solid lifter cams, normally w/ between 228-254 degrees duration @ .050"

This is a high rate spring which works well with mechanical flat tappet applications with a final lift of under .600"

If you need springs for Hyd Flat Tappet cams, check our other listings.
 

 

      Spring Specifications:

  • 1.510" Outside Diameter
  • 120 Lbs @ 1.860 Valve Closed Installed Height
  • 345 Lbs @ .500" Lift
  • 358 Lbs @ .525" Lift
  • 372 Lbs @ .550" Lift
  • 385 Lbs @ .575" Lift
  • 399 Lbs @ .600" Lift
  • Max Lift- .600"
  • Average Coil Bind @ 1.160"
  • Rate: 450#
  • Spring seat machining is not required

When checking pressures/loads at lift figures- Remember to deduct your lash setting from your gross lift figures. Example: Mechanical cam with .580" lift and .022" lash setting--- .580" gross lift less a .022" lash setting will have: .558" lift at the valve. (.580" minus .022" = .558")

 

     Kit includes:

  • Sixteen 7 Degree Chrome Moly Steel Retainers for 3/8" Stem Valves
  • 32 Hardened 3/8" 7 Degree Valve Locks
  • 16 Drop in Max Output II Valve Springs
  • Installed Height Specification Card

 

     Fitment:

  • FE FORD 352-428 w/ 3/8" Stem Valves- Mechanical (Solid) cam applications.

 

Requirements- As with any performance aftermarket valve spring kit, spring installed heights should be measured and shimmed as necessary.

 

*Use the installed height spec card included with your kit.

 

 

 

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


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