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145-1014

Dual Valve Springs for FLAT and ROLLER cams over .500" Lift
Hydraulic Roller Cams and Solid flat tappet cams over .500" lift require a dual valve spring, meaning there is a separate outer spring, a flat damper, and then an additional inner spring inside that. This is different from "single springs" which usually include only the outer spring and sometimes the flat damper. The dual springs are required to maintain the correct spring pressure, as per most cam manufacturers recommendation. We carry these Dual Springs for all our Hydraulic ROLLER cams and SOLID flat tappet cams up to .650" lift. Use these springs together with our 145-1003 10 degree Retainers, and our 145-1002 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 our special inner spring locator shims, 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. This part number is for a full set of 16 valve springs. These are the same springs used on our Dual Spring Stealth Heads, part numbers 200-1201 and 200-1202.

In Stock

200-1058

Stealth Cylinder Head Valve Springs - Set of 16
Our performance valve springs are a single spring with damper design that feature about 130 pounds on the seat and 330 open. They work great with most smaller hydraulic flat tappet cams (we suggest checking with your cam manufacturer to find their requirements for the springs they recommend for use with your cam.) Click on the part for more detailed information. This part number includes a complete set of 16.

In Stock

200-1057

Stealth Cylinder Head Valve Spring - Single Spring
Our performance valve springs are a single spring with damper design that feature about 130 pounds on the seat and 330 open. They work great with most smaller hydraulic flat tappet cams (we suggest checking with your cam manufacturer to find their requirements for the springs they recommend for use with your cam.) Click on the part for more detailed information. This part number is for a SINGLE SPRING (qty. 1).

In Stock

HEADLABOR2

Extended Cylinder Head Labor - R&R Springs Seals Locks Ret.
This is a labor charge for us to remove and replace valve springs, seals, locks and retainers. This labor charge must be selected in the same order as the cylinder heads, along with the new valve locks, retainers, seals and springs you want upgraded. Does not include custom shimming each spring to a specific installed height.

In Stock

145-1015

Comp Cams Spring Locators for HYD Roller springs - Set of 16
These inner spring locators from Comp Cams are required for use with our 145-1014 Hydraulic Roller Valve springs. They will locate the inner spring which is very close in inner diameter to the seal, and keep it from contacting the seal during use. These replace the regular spring cups which are supplied on our heads for this application. One set includes 16 pieces, enough to do one complete engine.

In Stock

Dual Valve Springs for FLAT and ROLLER cams over .500" Lift

In Stock

Stealth Cylinder Head Valve Springs - Set of 16

In Stock

Stealth Cylinder Head Valve Spring - Single Spring

In Stock

Extended Cylinder Head Labor - R&R Springs Seals Locks Ret.

In Stock

Comp Cams Spring Locators for HYD Roller springs - Set of 16

In Stock