FiTech 37001 Retro LS 650HP EFI System

The FiTech 37001 Retro LS 650HP System is a complete throttle body electronic fuel injection (EFI) system designed specifically for LS engine swaps in classic vehicles. This self-tuning fuel injection system combines modern performance with a vintage appearance, making it ideal for builders who want EFI reliability without sacrificing the classic look.

Key Features:

• Self-learning ECU automatically tunes for optimal performance within minutes of startup
• Supports up to 650 horsepower and naturally aspirated applications
• Retro-styled throttle body design resembles a traditional carburetor for period-correct appearance
• Built-in timing control compatible with LS ignition systems
• Integrated fuel pressure regulator maintains consistent 58 PSI fuel delivery
• Handheld controller included for easy adjustments and monitoring
• Works with E85, pump gas, or racing fuel
• Eliminates cold start issues and provides improved fuel economy over carburetion

This complete system includes the throttle body assembly, ECU, handheld controller, wiring harness, and all necessary sensors for a straightforward installation. The FiTech Retro LS system is perfect for street rods, muscle cars, and classic trucks receiving an LS engine conversion where maintaining an authentic underhood appearance is important.