Crow Cams / Genuine GM L98 Standard Valve Springs

L98 Standard Valve Springs is a valvetrain spring component or package for the stated engine application. Spring pressure, installed height, camshaft lift and matching hardware must be verified on the actual cylinder head.

Product specifications

Technical and supplier information

• 94lb @ 1.800" 270 @ 0.500" lift .090 bind clearance at .500 lift **Note: .045" left from coil bind if installed height is 1.800"

Application and fitment

L98, LS3 Supplier part number: 12706568-16

Supplied contents

The part or quantity described by this SKU is supplied. Related components, installation hardware and ancillary parts are separate unless explicitly stated.

Installation and configuration

• Measure spring installed height, seat/open pressures, maximum lift, coil-bind and retainer-to-seal clearance on the actual cylinder head.
• Confirm matching retainers, locks, seals, valve stems and spring seats. A stated camshaft lift or boost pressure alone does not establish spring suitability.

Associated products and selection

BBT can confirm the exact engine-specific supporting components and provide a complete parts recommendation before ordering.

BBT product selection and workshop support

Built by Boost & Tune is an authorised Crow Cams dealer and performance engine workshop. We can assist with the correct camshaft profile, compatible valve-train hardware, engine preparation, installation and calibration. Provide the exact engine code, intended use and existing components so the complete package can be checked before ordering.

Vehicle Fitment

• Chevrolet Camaro 5Th Gen Ls3
• Chevrolet Corvette C6 Ls3
• Holden Commodore Ve L98
• Holden Commodore Ve Ls3
• Holden Commodore Vf Vfii Ls3

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.

Built by Boost & Tune Support

BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.