COMP Cams 26918VCS-KIT SPRING KIT GM L31 VORTEC HEAD .510" MAX LIFT HYD ROLLER

SPRING KIT, GM L31 VORTEC CYLINDER HEAD, .510" MAX LIFT, HYD ROLLER 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. Drop-in valve spring kit for GM L31 Vortec cylinder heads No machining required Includes metal body Viton valve stem seals .540" max lift