Comp Cams GP959-2 | Dual Valve Springs | .380" Max Lift | Modified Small Engines

Description

Go Kart Racing Comp Cams Dual Valve Springs for up to .380" Lift
Popular for Modified 5hp Briggs and Stratton  "L"  Type - Flathead Engines.  Spring may work in other small engine applications please see specs below
Comp Cams is "Engineered to Finish First"
Set Includes (2) Dual Springs - Please note retainers are NOT included:
(2)  #GP959 Dual Valve Springs for up to .450" Lift
Made from Chrome Silicon Spring Steel Wire
Valve Spring Specs.:
Spring Rate: 136.9 lbs./Inch
Installed Load: 31.2 lbs. @ .950"
Open Load: 83.2 lbs. @ .570"
Coil Bind: 0.440"
Outer Spring:
Spring Rate: 72.4 lbs./Inch
Installed Load: 18.4 lbs. @ .950"
Open Load: 49.5 lbs. @ .570"
Coil Bind: 0.440"
Outside Diameter: 0.902"
Free Length: .1.270"
Wire Diameter: 0.092"
Inner Spring:
Spring Rate: 65.8 lbs./Inch
Installed Load: 12 lbs. @ .950"
Open Load: 37 lbs. @ .570"
Coil Bind: 0.440"
Outside Diameter: 0.712"
Free Length: .1.175"
Wire Diameter: .080"
Maintaining control of your valve train’s stability is a key ingredient to creating peak power and durability. The new GoParts™  Valve Springs are the best springs available today.
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