Product Summary

Universal Fit, Multi-port Injection Style, 1000 CFM CFM

  • Built with black anodized aluminum parts for style and corrosion resistance
  • Includes a high-flow, cable-operated throttle body
  • It is Bosch wideband-controlled and works with custom cams
  • Specially designed for applications making at least 6 inches of vacuum at idle
  • Kit is fully compatible with car and truck coils

Rebates Available

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Key Specs

MFG. Part #71001
Injection StyleMulti-port
Injector Size36 lbs./hr.
Max Horsepower Rating500
ECM IncludedYes
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Need To Know

Quick and Easy Returns

Return Policy

FiTech 71001 Details

The LS EFI 500HP fuel injection systems by Fitech are hands down the best on the market! Many of the parts for these systems have been fabricated, including the low-profile 92mm billet throttle body, high-volume billet fuel rails, and an intake manifold with 1,500 to 6,500 rpm powerband and 3mm construction.

System includes sequential spark and fuel control mates 36 lbs./hr. injectors, a plug-and-play wiring harness, and a color touchscreen self-learning ECU. This allows for programing two fan control outputs, most tach and speedometer output drivers, and target AFR and timing on the fly. A suction cup mounting bracket puts the controllers at your fingertips and allows for impressive visual aids.

Optional transmission control feature is suitable for 4L60, 4L65, 4L70, or 4L80 GM transmissions. The FiTech LS EFI 500HP fuel injection systems with trans controller provides great power and performance without breaking the bank.

  • Black anodized aluminum parts for style and corrosion resistance
  • High-flow, cable-operated throttle body
  • Bosch wideband-controlled
  • Stainless oxygen sensor bung
  • Compatible with car and truck coils
  • AN fittings and fuel crossover
  • Works with custom cams
  • Designed for applications making at least 6 inches of vacuum at idle
  • 24X and 58X crank and cam compatible
  • Programmable touchscreen hand-held controller with data log features

Rebates

FiTech Up To $500 Off Select Parts Summer Sale

FitechSummerSale2026

FiTech Fuel Injection is pleased to announce our Summer Performance Sale, running from July 1, 2026, through July 31, 2026. For a limited time, customers can save up to $500 across the FiTech lineup, making it the perfect opportunity to upgrade with high-quality EFI systems, fuel delivery, ignition, and accessories. The sale prices are applicable only to purchases made within the specified sale period, from July 1, 2026, to July 31, 2026. No rainchecks or exceptions will be provided. Sale price is valid through July, regular MAP Pricing will be reinforced on August 1, 2026. This sale cannot be combined with any other offers, discounts, or promotions. Co-ops will be honored.

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California 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 71001 Specifications

KEY SPECS
MFG. Part #71001
BrandFiTech
Injection StyleMulti-port
Injector Size36 lbs./hr.
Max Horsepower Rating500
ECM IncludedYes
GENERAL
Fuel Injection System TypeMulti-port Throttle Body
CFM1000 CFM
User TunableYes
Self TuningYes
Injectors IncludedYes
Intake Manifold IncludedYes
Intake Section IncludedComplete
Metering StyleSpeed density (Map-N) or speed throttle (Alpha-N)
EGRNo
Throttle Body IncludedYes
Throttle Body MaterialBillet Aluminum
Throttle Body FinishAnodized
Intake MaterialAluminum
Intake FinishAnodized
Venturi Quantity1
Fuel Pump IncludedYes
Fuel Rails IncludedYes
Calibration Module IncludedYes
Wiring Harness IncludedYes
Fuel Pressure Regulator IncludedNo
Distributor IncludedNo
MAP Sensor IncludedYes
IAC Motor IncludedYes
IAT Sensor IncludedYes
TPS Sensor IncludedYes
Use with Power AdderNo
Venturi Diameter92.00mm
NotesKit includes 50001 inline fuel pump kit.
GTIN Code854549007460
Sold in QuantityKit
Transmission Controller IncludedNo
Multi-Port Fuel Rails IncludedYes
Timing Control CompatibleYes

Questions & Answers

Fitment

  • GM LM4

  • GM LS2

  • GM LQ9

  • GM LQ9

  • GM LQ9

  • GM LS1

  • GM LS1

  • GM LS2

  • GM LQ9

  • GM LQ9

  • GM LM4

  • GM LS2

  • GM LM4

  • GM LM4

  • GM LM4

  • GM LS1

  • GM LS1

  • GM LS2

Customer Impersonation Script