FiTech Ultimate LS 500 HP EFI System With Short LS3 Port Intake, Transmission Control, In Tank 440 LPH Pump Module & Go Fuel Regulator Master Kit

The FiTech Ultimate LS 500 HP EFI System With Short LS3 Port Intake, Transmission Control, In Tank 440 LPH Pump Module & Go Fuel Regulator Master Kit is a complete electronic fuel injection solution designed for LS engines making up to 500 horsepower. It includes a short LS3 port intake manifold, advanced transmission control compatible with GM 4L60/65/70/80 transmissions, and a universal in-tank 440 LPH fuel pump module. This system delivers precise fuel and spark control via a programmable touchscreen ECU, improving performance and drivability for classic and modern LS swaps.

Key Features

Low-profile 92mm billet throttle body with cable operation
Short LS3 port intake manifold with 3mm aluminum construction, optimized for 1,500 to 6,500 rpm powerband
Sequential fuel and spark control with 36 lbs./hr. injectors and Bosch wideband O2 sensor
Programmable handheld touchscreen ECU with data logging and fan control outputs
Transmission control for GM 4L60, 4L65, 4L70, and 4L80 transmissions
Universal in-tank 440 LPH fuel pump module adjustable for 6” to 15” tank depths, supporting up to 1000 HP normally aspirated engines
Black anodized aluminum components for durability and corrosion resistance
Includes push-lock AN fittings, fuel crossover, stainless oxygen sensor bung, and wiring terminals

Fitment

Designed for LS engines making up to 500 HP
Compatible with GM 4L60, 4L65, 4L70, and 4L80 transmissions for integrated control
Requires applications with at least 6 in. of vacuum at idle

Note: Verify compatibility with your vehicle’s fuel tank depth and transmission model before ordering. Professional installation and tuning are recommended to optimize performance and ensure proper operation.