Fits Factory Heads, no machining required.

Performance Valve Spring Kit for SB FORD GT40P

Application: Hydraulic Flat Tappet cam applications

Fitment: GT40P 302 heads

Current processing time- 30+ Days. (See Note: 2 towards bottom of this page)

This version is for SB Ford w/ Hyd Flat Tappet cam/lifters

Comes with parts to fit the staggered tip length valves used in SB Ford GT40P heads. (.393"/.481")

Also available for heads with aftermarket exhaust valves with .393" tip lengths. If your heads have .393" tip length exhaust valves, be sure to select the .393"/.393" check box in the option area of this listing.

Works with 1.6 or 1.7 ratio rocker arms up to .575" lift.

      Average Spring Specifications:

• Spring Type- HP Single w/ Damper
• Machine work required?- NO
• 1.460" Outside Diameter
  
• 115 Lbs @ 1.825" Valve Closed Installed Height (see *note towards bottom on page)
  
• 280 Lbs @ .530" Lift
• 288 Lbs @ .555" Lift
• Max Lift .575"

     Kit includes:

• 16 Chromoly Steel Retainers.
  
• 16 Hardened Valve Locks for the Exhaust, labeled for easy identification.
  
• 16 Hardened Valve Locks for the Intake, labeled for easy identification.
• 16 HP Valve Springs, Single Spring w/ damper
  
• Installed Height Specification w/ tolerance specs
  
• Test Seat and open load specifications included

    Fitment:

• .393"/.481" Staggered tip lengths for stock SB Ford GT40P heads or
  
• Select .393"/.393" if the heads will use aftermarket exhaust valves with .393" tip lengths

Buyers can add: Shims and/or Seals by checking the appropriate option box towards the top of the page.

*Note 1: Kit installed height may differ from advertised spec listed above. Each kit comes with it's own installed height specification card. Please use the installed height specifications included with your kit.

Note 2: Normal processing time is around 30+ days after ordering however this particular kit requires several additional procedures which may take additional time to build and ship. The requirement of additional time will be based on the current work load. Please realize it's possible to take an additional 10 days to get this particular kit to complete and ship so if you can't wait, don't order.

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