FiTech 79802 Ultimate LS 500 HP EFI System w/Short Intake

FiTech's 79802 is a complete, self-tuning Ultimate LS EFI master kit tailored for cathedral port LS engines (LS1, LS2, LS6, and similar Gen III/IV variants). It includes a short-runner cast aluminum intake manifold with a 92mm throttle body, onboard ECU with transmission control, a Go Fuel returnless in-tank fuel pump module (340 LPH with 2-inch fill), and a full set of 8 Go Spark LS3-style ignition coils with LED indicators. Rated for up to 500 HP, this all-in-one plug-and-play system simplifies LS swaps, restomods, street rods, or performance builds with effortless installation, reliable drivability, and modern EFI efficiency.

Key Features

• Short Cathedral Intake Manifold - Compact short-runner design with 92mm throttle body for superior hood clearance and optimized airflow on cathedral port LS heads
• 500 HP Self-Tuning EFI - Fully integrated Ultimate LS system with onboard ECU for automatic self-learning calibration and smooth performance from idle to full throttle
• Transmission Control Built-In - Supports compatible automatic transmissions with integrated control, streamlining wiring and setup in swaps or upgrades
• Go Fuel Returnless In-Tank Module - 340 LPH high-flow pump with 2-inch fill neck delivers consistent fuel supply without return lines for cleaner, more efficient installations
• Complete Ignition Package - Includes 8 LS3-style coils with LED indicators for strong, reliable spark and easy visual diagnostics in high-RPM or modified applications