Stealth EFI 4150 Master Kit - Gold Finish

The Stealth EFI 4150 Master Kit - Gold Finish by HOLLEY is a comprehensive electronic fuel injection system tailored for builders and automotive enthusiasts who seek precision tuning without compromising engine bay aesthetics. This master kit effectively addresses the challenges of EFI conversions by integrating modern fuel management into existing platforms while ensuring a visually appealing setup.

Designed around a 4150-style fuel metering platform, the Stealth EFI 4150 Master Kit allows for precise air-fuel ratio tuning through both digital and analog signal integration. The gold finish not only enhances the visual appeal but also protects critical components from corrosion. The kit includes comprehensive wiring harnesses, a standalone ECU for real-time adjustments, and sensor mounts compatible with most small-block and big-block configurations.

Professional engine builders and performance shops benefit from the Stealth EFI 4150 Master Kit for daily-driven restorations and high-performance builds. Its modular architecture provides flexibility in intake manifold selection and fuel rail routing, making it ideal for custom engine bay layouts where space is at a premium.