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#52193551
FiTech 93551 Go EFI 4 600HP, Force Fuel Mini, CDI Box, Bright
$1,429.19
/kit
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$1,587.99
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Product Summary
Universal Fit, Throttle Body Injection Style, Polished
Rebates Available
See rebate detailsKey Specs
| MFG. Part # | 93551 |
| Brand | FiTech |
| Injection Style | Throttle Body |
| Max Horsepower Rating | 600 |
| ECM Included | Yes |
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FiTech 93551 Details
Fuel Injection Systems, Go EFI 4 600 HP Bright Aluminum EFI System With Force Fuel Mini Delivery Master Kit and Go Spark CDI Box
When it comes to fuel injection versus carburetors, new school is just too cool. FiTech Go EFI 4 600 hp self-tuning fuel injection systems have the ECU mounted on the throttle body for greater self-containment, clean installation, and easy setup. These trick systems fit any 4-barrel intake manifold, and are designed for use on engines from 250 to 600 hp. They feature a built-in fuel pressure regulator, an ECU that finds the best tune and self-adjusts to it—and the ability to change air/fuel ratios and ignition timing on the fly.
Each system has a hand-held controller with a touch screen for initial setup, throttle linkage that suits most transmissions, and is manufactured with OE engineering. FiTech Go EFI 4 600 hp self-tuning fuel injection systems leave the guesswork behind. Order the model with options best-suited for your application.
Additional features:
- Choice of three fuel inlet connections
- Will work with CDI box, but not required to control timing
- Adjustable fan control switch
- Can be used with an engine-mounted returnless fuel command center
- Uses easy-to-replace, GM-type sensors and Bosch 4.2 wideband oxygen sensors
- Wet Flow swirl spray annual discharge obtains complete atomization
- Voltage-controlling fuel pump control reduces power under low loads to lower temperatures
- Systems with mounted ECUs offer spark control without the need for an external spark box or special distributor
- Designed for applications making at least 6 in. of vacuum at idle
Rebates
FiTech 10% Off Select Parts Labor Day Sale 2026
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.
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
FiTech 93551 Specifications
FiTech 93551 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 93551 |
| Brand | FiTech |
| Injection Style | Throttle Body |
| Max Horsepower Rating | 600 |
| ECM Included | Yes |
| GENERAL | |
| Carburetor Flange Type | 4-Barrel Square Bore |
| Fuel Injection System Type | Single 4-Barrel Throttle Body (4150 Flange) |
| User Tunable | Yes |
| Self Tuning | Yes |
| Injectors Included | Yes |
| Intake Manifold Included | No |
| Metering Style | Speed density (Map-N) or speed throttle (Alpha-N) |
| EGR | No |
| Throttle Body Included | Yes |
| Throttle Body Material | Cast Aluminum |
| Throttle Body Finish | Polished |
| Venturi Quantity | 4 |
| Fuel Pump Included | No |
| Calibration Module Included | Yes |
| Wiring Harness Included | Yes |
| Fuel Pressure Regulator Included | Yes |
| Distributor Included | No |
| MAP Sensor Included | Yes |
| IAC Motor Included | Yes |
| IAT Sensor Included | Yes |
| TPS Sensor Included | Yes |
| Use with Power Adder | No |
| Notes | Includes force fuel mini part number 50006 and Go Spark CDI part number 91000. |
| GTIN Code | 812061036207 |
| Sold in Quantity | Kit |
| Transmission Controller Included | No |
| Multi-Port Fuel Rails Included | No |
| Timing Control Compatible | Yes |
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