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- 37 Days.

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 @ 1.795" Valve Closed Installed Height (see *note towards bottom on page)
  
• 280 Lbs @ .530" Lift
• 288 Lbs @ .555" Lift

     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: 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.

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