Product Summary

Throttle Body Injection Style, 625 CFM CFM

  • ECU-mounted throttle body design for clean, self-contained installation and minimal wiring complexity
  • Self-tuning technology automatically adjusts fuel maps and timingno laptop requiredfor effortless setup and peak performance
  • Built-in fuel pressure regulator and handheld touchscreen controller simplify initial tuning, monitoring, and on-the-fly adjustments
  • Supports engines from 250 to 1200 horsepower with smooth idle, sharp throttle response, better fuel economy, and power adder compatibility
  • Complete Master EFI Kits include high-flow injectors, sensors, pre-terminated harness, premium fuel delivery (pump, lines, filters), gaskets, hardware, and all components for plug-and-play upgrades

Rebates Available

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Key Specs

MFG. Part #36571
Injection StyleThrottle Body
Injector Size8 lb/hr
Max Horsepower Rating625
ECM IncludedYes
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FiTech 36571 Details

The FiTech Master EFI Kits are the ultimate all-in-one solution for modern fuel management and high-performance electronic fuel injection. These comprehensive packages seamlessly combine a cutting-edge self-tuning Go EFI system with perfectly matched fuel delivery componentsdelivering enhanced horsepower, optimized fuel efficiency, effortless cold starts, crisp throttle response, and rock-solid reliability without the hassle of piecing together mismatched parts. By integrating an advanced ECU-mounted throttle body system with premium fuel pumps, regulators, filters, hoses, and hardware, FiTech eliminates guesswork and provides everything needed in one box to transform carbureted engines into precise, powerful EFI setups for street, strip, or custom builds.

FiTech Go EFI self-tuning systems represent the new school of fuel injection: ECU integrated directly on the throttle body for ultra-clean installation, simplified wiring, and easy bolt-on fitment to any 4-barrel intake manifold. Designed for engines from 250 to 1200 horsepower, these systems feature a built-in fuel pressure regulator, automatic self-learning technology that continuously optimizes air/fuel ratios and timing, a user-friendly handheld touchscreen controller for quick setup and monitoring, throttle linkage compatible with most transmissions, OE-level engineering for durability, and broad compatibility across V8 applicationsleaving carburetors in the dust for superior drivability, efficiency, and power.

  • ECU-mounted throttle body design for clean, self-contained installation and minimal wiring complexity
  • Self-tuning technology automatically adjusts fuel maps and timingno laptop requiredfor effortless setup and peak performance
  • Built-in fuel pressure regulator and handheld touchscreen controller simplify initial tuning, monitoring, and on-the-fly adjustments
  • Supports engines from 250 to 1200 horsepower with smooth idle, sharp throttle response, better fuel economy, and power adder compatibility
  • Complete Master EFI Kits include high-flow injectors, sensors, pre-terminated harness, premium fuel delivery (pump, lines, filters), gaskets, hardware, and all components for plug-and-play upgrades

Rebates

FiTech 10% Off Select Parts Labor Day Sale 2026

FiTech 10% Off Select Parts Labor Day Sale 2026FitechLaborDay10%OffSale2026

FiTech Fuel Injection is pleased to announce our Labor Day Specials, running from September 1, 2026, through September 30, 2026. For a limited time, customers can save over $350 on Ultra Port EFI systems and EFI Master Kits, making it the perfect opportunity to upgrade to modern fuel injection with improved performance and drivability. 10% off applicable parts. Sale prices are applicable only to purchases made within the specified sale period, from September 1, 2026, to September 30, 2026. No rainchecks or exceptions will be provided. Sale price is valid through September 30. Regular MAP Pricing will be reinforced on October 1, 2026. This sale cannot be combined with any other offers, discounts, or promotions. Co-ops will be honored.

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

FiTech 36571 Specifications

KEY SPECS
MFG. Part #36571
BrandFiTech
Injection StyleThrottle Body
Injector Size8 lb/hr
Max Horsepower Rating625
ECM IncludedYes
GENERAL
Fuel Injection System TypeThrottle Body Injection (TBI)
CFM625 CFM
Injectors IncludedYes
Intake Manifold IncludedNo
Fuel Rails IncludedYes
Wiring Harness IncludedYes
MAP Sensor IncludedYes
Sold in QuantityKit

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