Crow Cams / Genuine GM LS1 Rocker Kit
Crow Cams / Genuine GM LS1 Rocker Kit
LS1 Rocker Kit 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 | LS1ROCKERKIT |
|---|---|
| Component brand | Genuine GM |
| Product category | Valvetrain |
Technical and supplier information
- Genuine GM Complete LS1 Rocker Kit, suitable for LS1 and LS2 engines
- Package contents: 12681275 Genuine GM Rocker Arms (16)12742404 Genuine GM Rocker Arm Pivot Stands (2)12560961 Genuine GM Rocker Arm Bolts (16) Suitable for LS1 & LS2, for other LS engines see L98 ROCKERKIT
Application and fitment
LS1, LS2 Supplier part number: LS1ROCKERKIT
Supplied contents
- Package contents: 12681275 Genuine GM Rocker Arms (16)12742404 Genuine GM Rocker Arm Pivot Stands (2)12560961 Genuine GM Rocker Arm Bolts (16) Suitable for LS1 & LS2, for other LS engines see L98 ROCKERKIT
Only the components expressly listed for this SKU are included. Other related products are separate unless the selected package explicitly includes them.
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.
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 Corvette C5 Ls1
- Chevrolet Corvette C6 Ls2
- Holden Commodore Ve Ls2
- Holden Commodore Vt Vt Ii Ls1
- Holden Commodore Vx Ls1
- Holden Commodore Vy Ls1
- Holden Commodore Vz Ls1
- Holden Commodore Vz Ls2
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.