Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info Needed70050DBWSA Standalone LS Drive-By-Wire EFI System for GM Gen III/IV LS Engines
Ships Today
Lowest Price GuaranteeThe FiTech 70050DBWSA Standalone LS Drive-By-Wire EFI System is designed for GM Gen III/IV LS-powered applications that need modern electronic throttle control without a bundled throttle body, pedal, intake, or transmission controller. This self-learning EFI solution helps simplify LS DBW conversions while allowing builders to select compatible components for their specific engine swap or performance build.
FiTech 70050DBWSA Features:
- Standalone LS drive-by-wire EFI system for GM Gen III/IV LS engine applications
- Self-learning ECU supports fuel and ignition control for LS-powered builds
- Integrated electronic drive-by-wire controller supports compatible throttle body and pedal assemblies
- Preset drive modes help refine pedal feel and throttle response for daily driving, towing, performance use, or custom tuning
- Electronic throttle control eliminates mechanical throttle linkage, throttle cables, brackets, and related adjustments
- Designed to deliver smoother acceleration, sharper throttle response, and improved drivability compared to traditional cable-driven setups
- Uses OEM-quality components and FiTech calibration strategies for reliable operation
- Supports a cleaner engine bay by reducing mechanical throttle-control hardware
- Backed by FiTech technical support and a 3-year limited manufacturer warranty
FiTech 70050DBWSA Includes:
- FiTech ECU
- Engine wiring harness
- Two wideband O2 sensors
- Required system sensors
- Integrated electronic drive-by-wire controller
FiTech 70050DBWSA Notes:
- Does not include a throttle body, pedal assembly, intake, or transmission control
- Requires compatible drive-by-wire throttle body and pedal assembly
- Designed for LS-powered applications using electronic throttle control
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.
Show More
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.
