Crow Cams / Genuine GM L98 Rocker Cover - Left
Crow Cams / Genuine GM L98 Rocker Cover - Left
L98 Rocker Cover - Left is a supplier-listed engine or valvetrain component supplied through Crow Cams. It must be selected by exact part number and engine configuration rather than by vehicle name alone.
Product specifications
| Supplier part number | 12642655 |
|---|---|
| Component brand | Genuine GM |
| Product category | Valvetrain |
Technical and supplier information
- Genuine GM L98 Rocker Cover, Left Hand Side, also fits earlier LS engines
- Genuine GM L98 Rocker Cover - Left Hand Side Complete with gaskets and bolts Also fits earlier LS engines Right hand side part number is 12637684 Filler tube is 12609623 (required on Right Hand Side)
Application and fitment
L98, LS3 Supplier part number: 12642655
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
- Confirm engine and cylinder-head compatibility, supplied quantity and the correct hydraulic or mechanical valvetrain type.
- Check lifter preload or mechanical lash, geometry, oil supply and all spring/rocker clearances. Do not apply pushrod-engine instructions to a DOHC hydraulic lash adjuster.
Recommended associated products
Only purchase components required for your actual engine configuration. Included kit components are already accounted for; separately listed alternatives must not be added cumulatively.
- Optional: Crow Cams / Genuine GM LS Rocker Cover Gaskets — Related gasket or oil-fill service component, only where compatible and not already included.
- Optional: Crow Cams / Genuine GM L98 Rocker Cover - Right — Opposite-bank rocker-cover alternative for a paired service. Confirm the exact engine and cover specification.
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.