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COMP Cams .540" Lift Beehive Valve Spring Kit for GM Vortec Hydraulic Rollers

Part # 26918VCS-KIT

  • Drop-in valve spring kit for GM L31 Vortec cylinder heads
  • No machining required
  • Includes metal body
  • Viton valve stem seals
  • .540" max lift

Description

This COMP Cams Valve Spring Kit is designed to maximize the potential of GM L31 Vortec cylinder heads when using a hydraulic roller camshaft. This kit allows up to .540" lift and provides spring rates that can handle significantly more aggressive lobe profiles. This kit has been developed to make your valve train upgrade as easy as possible by combining quality components in a package that does not require any machining! These components will drop right onto stock GM L31 Vortec cylinder heads.

Specifications

Coil Bind Height1.1 in
Damper Spring IncludedNo
Inside Diameter of Outer Spring (in).650/.875
Installed Height1.7 in
Installed Height (in)1.7
Installed Pressure162 PSI
Integrated Spring SeatNo
Load at Installed Height (lbs)162
Load at Open Height (lbs)363
Lock Style7 Degree
Machine Work RequiredNo
Maximum Coil Bind Height (in)1.1
Number of Springs Per Valve1
Open Height (in)1.16
Open Pressure372 PSI
Outside Diameter of Outer Spring (in)1.066/1.300
Quantity16
Recommended Max Lift (in)0.54
Retainer MaterialChromoly
Spring Rate (lbs/in)372
Spring TypeDual Spring
Valve Spring FinishRaw
Valve Spring StyleBeehive
Valve Stem Diameter (in)11/32
Valve Stem Seal MaterialViton
Valve Stem Seal TypePositive Stop
UPC / GTIN00036584416654