FiTech Ultimate LS Replacement ECU | Spare Engine Control Unit

FiTech Ultimate LS Replacement ECU | Spare Engine Control Unit

Genuine replacement Engine Control Unit (ECU) designed specifically for the FiTech Ultimate LS range of electronic fuel injection systems. Supplied as a direct-fit spare or replacement unit, ensuring seamless integration with your existing FiTech wiring harness and sensor architecture.

Key Features & Technical Specifications

• ✓ Direct Replacement: Engineered strictly for compatibility within the FiTech Ultimate LS EFI ecosystem.
• ✓ Advanced Self-Learning: Actively maintains and refines your target air/fuel ratio settings for optimal drivability.
• ✓ Sequential Control: Delivers precise sequential fuel and spark control with individual cylinder trim capability.
• ✓ Sensor Compatibility: Interfaces directly with 24x and 58x crank sensors, 1x or 4x cam sensors, and factory knock sensors.
• ✓ Boost-Ready Mapping: Built-in 3-Bar MAP sensor fully equipped to handle forced induction applications up to 30 psi.
• ✓ Programmable Outputs: Includes dual programmable electric fan outputs and a versatile tach-output driver.
• ✓ Part Number: 70050-1

Fitment & Application Notice

This replacement ECU is intended solely as a spare component for existing FiTech Ultimate LS installations. Ensure your harness configuration, sensor setup, and transmission control requirements align with your specific kit version prior to installation.

FiTech have been manufacturing fuel injection and fuel delivery solutions since 2013 and have established themselves in the market as a serious performance contender, especially on big block racing and drag applications over 1000 horsepower. Their extensive range can cater for most custom fueling applications, which is backed by their new technical support department and 3 year warranty.