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#52135221
FiTech 35221 Go EFI Classic 550HP, W/ Force Fuel Delivery, Black
$1,388.69
/kit
Factory Shipped
$1,542.99
Save $154.30
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Product Summary
Universal Fit, Throttle Body Injection Style
Rebates Available
See rebate detailsKey Specs
| MFG. Part # | 35221 |
| Injection Style | Throttle Body |
| Injector Size | 62 lbs./hr. |
| Max Horsepower Rating | 550 |
| ECM Included | Yes |
Need To Know
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FiTech 35221 Details
FiTech Go EFI Classic 550 HP Fuel Injection Systems with Force Fuel Systems
FiTech Go EFI Classic 550 hp fuel injection systems with Force Fuel systems are a unique combination of that classic throttle body look and fuel injection upgrade convenience. This innovative classic design hides the injectors and has an externally mounted ECU so it can be mounted wherever you want to ensure a true carburetor look. The Force Fuel system helps quench its thirst with easy hookup and versatile mounting. FiTech Go EFI Classic 550 hp and Force Fuel system combos are perfect for everyday drivers, weekend street machines, and bracket racers.
Features:
- 4-Barrel Square Bore
- Rated up to 550HP
- High Quality Aluminum Throttle Body
- Satin Black Finish
- Force Fuel System
- Self-Tuning ECU
Includes:
* FiTech Go EFI Classic 550 HP fuel injection systems
* FiTech Force Fuel systems
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 35221 Specifications
FiTech 35221 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 35221 |
| Brand | FiTech |
| Injection Style | Throttle Body |
| Injector Size | 62 lbs./hr. |
| Max Horsepower Rating | 550 |
| ECM Included | Yes |
| GENERAL | |
| Carburetor Flange Type | 4-Barrel Square Bore |
| Fuel Injection System Type | Single 4-Barrel Throttle Body (4150 Flange) |
| CFM | 850 CFM |
| User Tunable | Yes |
| Self Tuning | Yes |
| Injectors Included | Yes |
| Intake Manifold Included | No |
| Metering Style | Speed density |
| EGR | No |
| Throttle Body Included | Yes |
| Throttle Body Material | Aluminum |
| Throttle Body Finish | Satin Black |
| Venturi Quantity | 4 |
| Fuel Pump Included | Yes |
| Calibration Module Included | Yes |
| Wiring Harness Included | Yes |
| Fuel Pressure Regulator Included | Yes |
| Distributor Included | Yes |
| MAP Sensor Included | Yes |
| IAC Motor Included | Yes |
| IAT Sensor Included | Yes |
| TPS Sensor Included | Yes |
| Use with Power Adder | No |
| Venturi Diameter | 43.00mm |
| Flow Rating | 340 |
| GTIN Code | 812061032209 |
| Sold in Quantity | Each |
| Transmission Controller Included | No |
| Multi-Port Fuel Rails Included | No |
| Timing Control Compatible | No |
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