FiTech 76412 Ultimate LS 500 HP EFI System Master Kit

The FiTech 76412 Ultimate LS 500 HP EFI System is a complete master kit engineered for LS engine swaps, retrofits, and performance builds with cathedral port heads. It features a short LS3-style port intake manifold, self-learning ECU with transmission control, a Go Fuel in-tank 600 HP fuel pump module (adjustable for 6-15 inch tank depths), regulator, and all necessary components-delivering effortless plug-and-play installation, automatic tuning, smooth shifting, crisp throttle response, enhanced drivability, superior cold starts, and reliable power up to 500 horsepower.

• Short LS3 port intake manifold optimized for cathedral port LS engines with excellent low-to-mid range torque and fitment
• Self-tuning ECU with built-in transmission control for GM 4L60/65/80E and compatible transmissions-no laptop required
• Go Fuel in-tank 600 HP fuel pump module with billet aluminum top, -6 fuel bosses, and adjustable depth for reliable high-pressure delivery
• Supports up to 500 horsepower with smooth idle, quick acceleration, improved fuel efficiency, and boosted application compatibility
• Full master kit includes ECM, 36 lb/hr high-flow injectors, LS-specific sensors, pre-terminated harness, fuel lines/filters, hardware, and everything needed for straightforward bolt-on LS conversions