Fits Factory Heads, no machining required.

.560" Lift Valve Spring Kit for SB FORD GT40P

Application: Hydraulic Roller, up to .560" Lift.

Fitment: GT40P 302 heads

This is a custom version for SB Fords w/ high lift, short duration cams.

Accepts up to .560" lift and works well with cams in the 200-220 degrees duration @ .050" range. (Intake spec @ .050")

Only available to certain customers who have contacted us in advance. This is a custom built, made to order item with an estimated 30 day processing period from the day the order is placed.

This kit does require shims so if you don't already have them, you'll want to check the add hardened shim pack option. If you don't already have valve seals, get a set of ours as they are the very best available hands down.

       Spring Specifications:

• 1.460" Outside Diameter
  
• Fits over factory stepped spring base
• 140 Lbs @ 1.740" Valve Closed Installed Height
  
• 297 Lbs @ .500" Lift
• 316 Lbs @ .560" Lift
• Spring seat machining is not required
  

      Kit includes:

• Eight Intake Retainers
  
• Eight Exhaust Retainer
• Hardened Valve Locks
• 16 Drop in springs
• Spring Spec Sheet
• Installed height Specifications
• Parts are labeled Intake and Exhaust for easy identification

Buyers can add: Hardened Shim Pack, viton valve seals or order the kit to work with heads which have aftermarket exhaust valves with .393" tip lengths. Simply use the optional check boxes towards the top of this page.

Alex's Parts- The smart choice in valve train parts~ADD HARD SHIM PACK, INCL .030" & .015"