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Vehicle Info NeededUltimate LS EFI Induction System LS1/LS2/LS6 750 HP with Inline Fuel Pump
Ships on 10/12/2026
Lowest Price Guarantee- Ultimate LS EFI Induction System
- LS1/LS2/LS6
- Without Transmission Control
- Includes Inline Fuel Pump
- 750 HP
FiTech’s black anodized Ultimate LS1/LS2/LS6 750HP Kit combined with an Inline Fuel Pump fuel delivery kit are a complete self-tuning induction systems for LS engines designed for the do-it-yourself hot rodder to the professional EFI tuner! This system is ready to go with everything needed to complete the induction system of your LS engine and get you on the road easily and faster than any system on the market today. Forget sourcing mismatched parts and cutting and splicing old harnesses and re-flashed ECU’s from “Craigs List” tuners. The Inline Fuel Pump Fuel Delivery Kit includes an EFI grade 255 L/PH inline external fuel pump that is suitable for engines making up to 650HP. (Note that some of our EFI kits are limited to less than 750HP due to maximum usable injector sizes). This kit also includes 40-feet of EFI grade fuel hose suitable for both the inlet and return lines between the fuel tank and the engine. The kit includes two billet fuel filters. The filters include a 60-micron pre-filter and a 30-micron post filter.Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
The Ultimate Fuel Injection System for GM LS-Based Engines
FiTech's Ultimate LS EFI Induction Systems are self-tuning electronic fuel injection systems for LS-based engines, designed for the do-it-yourself hot-rodder or professional tuner. These systems are a complete kit with everything needed to complete the induction system of the popular GM LS engine.
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Transform your LS-powered build with the next evolution in fuel delivery technology — the FiTech Ultimate LS EFI Induction Systems. Designed for everyone from weekend builders to seasoned performance tuners, these systems combine cutting-edge EFI control with bolt-on convenience, giving your engine smoother power delivery, improved fuel economy, and rock-solid reliability. Whether you’re daily driving, cruising, or competing on the strip, the performance and versatility of this system are clear from the first start.
The heart of the upgrade is the fitech ultimate ls controller, a fully programmable engine management system optimized specifically for LS architectures. Its adaptive fuel and spark control automatically adjusts to changes in conditions and power adders, so you spend less time dialing in and more time enjoying responsive throttle and confident acceleration. With on-screen tuning and built-in data logging capability, you can fine-tune parameters easily without external gadgets or guesswork.
One of the biggest advantages of an efi for ls engine is seamless drivability in every situation. Cold starts become reliable, idle transitions smooth, and throttle response sharp — eliminating common carburetor headaches like stumble or hesitation. For late-model swaps and retrofits especially, this system brings modern control to older chassis without compromising character.
Installation is straightforward with quality hardware and detailed instructions included, making it achievable for experienced DIYers and professional shops alike. From street cruisers to high-output performance builds, this ls efi kit gives you a complete, dependable induction solution that enhances power, efficiency, and overall engine confidence — a smart upgrade for any LS enthusiast.
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