Description
FiTech Go Street 400 HP Cast EFI Master Kit with 340 LPH Regulated In-Tank Pump
Convert your carbureted classic to modern self-tuning electronic fuel injection with the all-in-one FiTech 36603 Go Street Master Kit.
Overview & Performance Features
Engineered for engines producing up to 400 HP, the FiTech Go Street 36603 Master Kit delivers hassle-free startup, crisp throttle response, and improved fuel economy. Featuring an ECU mounted directly on the cast aluminum 4-barrel throttle body, this system eliminates messy wiring harnesses and external engine management boxes. Paired with the Go Fuel 340 LPH regulated in-tank fuel pump module operating at 58 PSI, this single-line returnless system simplifies fuel line routing while eliminating fuel starvation and vapor lock.
Key Features
- ☑ Self-learning speed density ECU continuously tunes fuel maps on the fly without a laptop
- ☑ Throttle body-mounted ECU for a clean, self-contained engine bay appearance
- ☑ Includes Go Fuel 340 LPH regulated in-tank fuel pump module with integrated 58 PSI regulator
- ☑ Standard 4-barrel square bore 4150 flange mounts directly to existing intake manifolds
- ☑ Four flow-matched 62 lbs/hr fuel injectors supporting naturally aspirated V8s up to 400 HP
- ☑ Handheld color touchscreen controller with windshield mount for rapid setup and live data logging
- ☑ Bosch 4.2 wideband O2 sensor with weld-in bung included for real-time air/fuel ratio feedback
Technical Specifications
| Brand | FiTech Fuel Injection |
|---|---|
| Manufacturer Part Number | 36603 |
| Horsepower Rating | Up to 400 HP |
| Throttle Body Finish | Natural Cast Aluminum |
| Flange Type | 4-Barrel Square Bore (4150) |
| Airflow Rating | 850 CFM (4 x 43mm Venturis) |
| Injector Specs | 4 x 62 lbs/hr Flow-Matched Injectors |
| Fuel Pump Included | Go Fuel 340 LPH Regulated In-Tank Module (58 PSI) |
| Metering Style | Speed Density (MAP-N) |
| Oxygen Sensor | Bosch 4.2 Wideband O2 Sensor |
What’s Included in the Box
- FiTech 400 HP Cast Throttle Body Assembly with Mounted ECU
- Go Fuel 340 LPH Regulated In-Tank Fuel Pump Module (58 PSI Regulator)
- Handheld Touchscreen Setup Controller & Cable
- Windshield Mount for Handheld Controller
- Pre-Terminated Vehicle-Side Wiring Harness
- Bosch 4.2 Wideband O2 Sensor & Stainless Steel Weld-In Bung Kit
- Coolant Temperature Sensor & Brass Adapter
- Base Gasket, Mounting Hardware & Mini-USB Cable
When upgrading from traditional carburetors, FiTech provides OE-level quality and reliability. As a premier UK supplier for high-performance motorsport parts, JP Racing holds genuine FiTech inventory in stock with fast UK dispatch. Contact our sales team today for expert technical advice on your vehicle’s fuel system upgrade.
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