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Ford 351 Cleveland Valve Spring Kit, Drop in Fit, 351C w/ Hyd Flat Tappet, Custom Built, ships around 30 days after ordering.

  • 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 FORD 351 Cleveland

Application: Hydraulic Flat Tappet

Fitment: Ford, 351 Cleveland w/ Single Groove Valves


Current processing time is 30 days. This means the kit will ship in around 30 days after your order has been completed. 


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

Suitable for a wide range of cams with between 204-236 degrees duration @ .050" on the intake. (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.


      Spring Specifications:

  • 1.500" Outside Diameter
  • 110 Lbs @ 1.855" Valve Closed Installed Height (*See note 1 below)
  • 272 Lbs @ .500" Lift
  • 295 Lbs @ .550" Lift
  • 305 Lbs @ .580" Lift
  • Max lift: .580"
  • Fits Ford 351C which have been fitted w/ Single Groove Valves. (Not for heads w/ multi groove valves, see note 2 below)
  • Spring seat machining not required
  • Fits common stepped spring base iron heads


     Kit includes:

  • Sixteen Chromoly Steel Retainers
  • 32 Hardened Valve Locks for single groove valves.
  • 16 Drop in single springs w/ damper
  • Spec Sheet
  • Installed Height Spec Card


      Add-On Options:

  • Premium Viton Umbrella Seals (Our premium viton valve seals are the finest available anywhere. Why settle for lower grade gasket company seals?)
  • Premium Positive Viton Valve Seals. (Guide Machining Required; Guides must be machined to .500") Best valve seal option!
  • Hardened Spring Shim Pack, Includes: 16 each of: .030" and .015" shims



* NOTE 1: Proper installation requires measuring installed heights and adding shims as required 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. We can provide an installed height mic, check our other listings or message us.

NOTE 2: Fits heads which have been fitted with single groove valves, will not fit heads with multi groove valves. If your heads have multi groove valves, they will need to be changed to single groove valves.


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

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