FiTech Hy-Fuel In-tank Retro Fit Kit Installation. | FiTech

We’re upgrading a classic Jeep build with a retro-style LS port fuel injection system from FiTech EFI—and this isn’t just a performance boost, it’s a full transformation. In this episode, we tear down the old stock fuel injection system and replace it with a complete FiTech EFI kit, including: ✅ Cast intake manifold for a classic carbureted look ✅ Four-barrel-style throttle body ✅ High-quality fuel rails and injectors ✅ Self-learning ECU optional trans control ✅ Clean finishes: polished, black,