Crow Cams / Genuine GM Gen V LT4 Head Gasket
Gen V LT4 Head Gasket provides the specified sealing components for its compatible engine or service application. Confirm the exact engine, casting, gasket arrangement and package contents before assembly.
Product specifications
| Supplier part number | 12654622 |
|---|---|
| Component brand | Genuine GM |
| Product category | Engine Gaskets |
Technical and supplier information
- Sold each - 2 required per engine Suits supercharged applications
Application and fitment
LT4 Supplier part number: 12654622
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 bore, cylinder-head casting, port shape, gasket thickness and engine generation. Clean and inspect the sealing surfaces before assembly.
- Use the correct tightening sequence and fasteners; replace torque-to-yield bolts and one-time-use seals where specified by the engine manufacturer.
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 Gen V LT DOD Delete Kit — Gen V mechanical AFM-delete package alternative for a correctly matched engine. Do not duplicate head gaskets already included.
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 6Th Gen Zl1 Lt4
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.