SKU: NX939WN | UPC: 653374979160
Nitrous Express Billet Supercharger Lid – LT4 Applications w/ Integrated Nitrous Ports
The Nitrous Express Billet Supercharger Lid is engineered specifically for LT4 platforms to deliver clean installation of nitrous and consistent performance. Precision-machined from billet aluminum and designed as a direct replacement for the factory LT4 supercharger lid, it integrates dedicated N2O ports for a tidy, serviceable setup while maintaining OEM-compatible sealing and fitment.
Key Features
- Billet Construction: CNC-machined aluminum lid offers durability, rigidity, and premium sealing surfaces.
- Integrated Nitrous Ports: Built-in N2O provisions simplify plumbing and keep the engine bay clean.
- Direct-Fit for LT4: Designed to mount to LT4 superchargers using factory-style hardware and gasket (hardware/gasket not included unless noted).
- Service-Friendly Design: Clean access to fittings and lid perimeter for future maintenance.
- Track-Ready Performance: Supports reliable delivery of nitrous on high-output LT4 combinations.
Product Notes
- Emissions: Not CARB legal. For off-road/competition use only where permitted by law.
- Special Order: Item may be special order; lead times can apply.
- Compatibility: For LT4 supercharged applications only (see fitment table below).
- Prop 65: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm.
Installation Notes
- Professional installation recommended, especially when routing nitrous plumbing.
- Verify lid alignment and sealing surface cleanliness prior to final torque.
- Use new OEM-equivalent gasket/sealant as applicable; torque fasteners to factory specifications.
- Follow Nitrous Express guidelines for jetting, bottle pressure, and safety devices (WOT switch, window switch, etc.).
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016–2019 | Cadillac | CTS-V | LT4 |
| 2017–2021 | Chevrolet | Camaro | ZL1 (LT4) |
| 2015–2019 | Chevrolet | Corvette | Z06 (C7 LT4) |
| 1996 | Chevrolet | Corvette | Base (LT4 manual) |
| 1996 | Chevrolet | Corvette | Collector’s Edition (LT4 manual) |
| 1996 | Chevrolet | Corvette | Grand Sport (LT4 manual) |
Why Choose Nitrous Express?
- Industry leader in nitrous systems and delivery hardware.
- Integrated, purpose-built porting for a clean LT4 installation.
- Engineered for reliability under demanding track conditions.
Frequently Asked Questions
- Q: Does this fit LT1 or other non-LT4 applications?
A: No. This lid is designed for LT4 supercharger applications listed in the fitment table. - Q: Are gasket and hardware included?
A: Typically not. Reuse OEM-style hardware and install with a new factory-equivalent gasket/sealant as required. - Q: Is a tune required after installation?
A: Any time nitrous is added or power is significantly increased, proper calibration and safety devices are strongly recommended.
Shipping & Handling
- Method: Ships via insured ground service.
- Availability: In-stock levels may vary, special-order lead times can apply.
- Packaging: Securely boxed with protective materials for transit.
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