Comp Cams Dual Valve Springs for HYD ROLLER cams

Hydraulic Roller Cams and Solid flat tappet cams require a specific dual spring (which is different from hydraulic flat tappet springs) to maintain the correct spring pressure, as per Comp Cams recommendation. We carry these Dual Springs from Comp for all our Hydraulic ROLLER cams and SOLID flat tappet cams up to .600" lift. Use these springs together with our 145-1003 Comp 10 degree Retainers, and our 145-1002 Comp 10 degree Locks for a perfectly matched valvetrain setup. Due to the small inner diameter of the inner springs, these require using reduced diameter teflon type "PC" valve seals, use our part number 101-1049, as well as Comp's special inner spring locator shims, our part number 145-1015. Will not work with the stock black rubber type seals which are supplied on our Stealth heads, since they are too large of a diameter.