FiTech Fuel Injection

About FiTech Fuel Injection

Based in Riverside, California, FiTech Fuel Injection has earned a reputation as one of the premier names in electronic fuel injection technology for classic cars, muscle cars, and performance trucks. Where other manufacturers focus on modern OEM replacements, FiTech zeroed in on a specific and passionate segment of the automotive world: builders, hot rodders, and restomod enthusiasts who want the drivability benefits of modern EFI without sacrificing the soul of their vintage builds.

FiTech's fuel injection systems are engineered around a deceptively simple promise — bolt-on EFI that a dedicated do-it-yourselfer can install in a weekend. The brand's Go EFI lineup spans an impressive range, from entry-level 400 HP throttle body units all the way up to systems supporting engines producing 1,200 horsepower, with options covering boosted applications, dual-quad setups, nitrous-assisted builds, and even E85 compatibility. What makes these systems particularly compelling is their self-tuning capability: the ECU continuously adapts to your engine's behavior, sharpening throttle response and fuel delivery the more you drive.

FiTech achieves this level of sophistication while keeping costs accessible by leveraging OEM-grade components and OEM-level software — the same diagnostics, limp-home modes, and tuning logic you'd find in a factory fuel management system, adapted for the aftermarket. The result is a package that appeals equally to the seasoned engine builder and the first-time EFI convert.

The product lineup extends well beyond the throttle body itself. A complete EFI conversion also demands a capable, high-pressure fuel delivery system, and FiTech addresses that need directly with its own line of electric fuel pumps. From inline frame-mount pump kits to retrofit in-tank assemblies and the innovative Force Fuel System — which taps your existing low-pressure fuel line and internally boosts it to EFI-ready pressure — FiTech offers an end-to-end fuel system solution rather than just a throttle body in a box.

Whether you're converting a carbureted small-block Chevy, dropping an LS engine into a classic truck, or chasing maximum power from a boosted big-block, FiTech Fuel Injection has a system engineered to match. The brand's commitment to OEM-level quality, broad application coverage, and genuine ease of installation has made it a go-to choice for enthusiasts across the country.

• Self-tuning EFI systems from 400 HP to 1,200 HP
• Throttle body options including 4-barrel, LS induction, dual-quad, port injection, and TPI styles
• Boosted & nitrous compatible systems rated for up to 25 lbs of boost
• Complete fuel delivery solutions including inline pumps, in-tank retrofit kits, and the Force Fuel System
• OEM-level software with built-in diagnostics and limp-home modes
• E85 compatible configurations available across the lineup