Ti Automotive / Walbro Fuel Pump Upgrade Kit up to 700 hp For Nissan 180SX 200SX S13 SR20DET GST400-013

The Ti Automotive / Walbro GST400-013 Fuel Pump Upgrade Kit is a high-performance in-tank fuel pump solution designed for modified Nissan 200SX S13 applications. Capable of supporting high-output engine builds, this upgrade kit features the powerful Walbro GST400 fuel pump, delivering exceptional fuel flow and pressure capabilities for demanding performance applications.

Developed using Ti Automotive's award-winning original equipment fuel pump technology, the GST400 offers a maximum flow rate of 510 litres per hour, with a rated flow of 390 litres per hour at 3 bar (44 PSI) and 285 litres per hour at 5 bar (73 PSI). This makes it particularly suitable for heavily modified turbocharged engines requiring a reliable, consistent fuel supply under high-load conditions.

Designed for performance builds exceeding 500HP, the GST400-013 kit is marketed for applications up to 700HP, depending on fuel type, operating pressure and overall fuel system configuration. Whether upgrading an existing fuel system or building a high-horsepower Nissan S13, the Walbro GST400 provides the flow capacity required for serious performance applications.

Available from JDM Part Shop.

Vehicle Compatibility

Manufacturer: Nissan
Model: Nissan 200SX S13
Engine Application: 2.0L 16V
Model Years: 1988–1993 (as listed by supplier)

Please verify compatibility with your vehicle's fuel pump carrier, wiring and fuel system before ordering.

Specifications
Manufacturer: Ti Automotive / Walbro
Product: High-Performance In-Tank Fuel Pump Upgrade Kit
Part Number: GST400-013
Fuel Pump Model: Walbro GST400
Advertised Power Support: Up To 700HP (Application Dependent)
Operating Voltage: 12V DC
Maximum Fuel Flow: 510 Litres Per Hour
Fuel Flow at 3 Bar (44 PSI): 390 Litres Per Hour
Fuel Flow at 5 Bar (73 PSI): 285 Litres Per Hour
Maximum Pressure: 7.5 Bar
Inlet Fitting Diameter: 11mm
Outlet Fitting Diameter: 9mm
Pump Length: 122mm
Pump Diameter: 50mm / 39mm
Pump Weight: 0.388kg
Pulse Width Modulation (PWM) Compatible: Yes
Installation Type: In-Tank

Performance & Fuel Delivery
The Walbro GST400 is engineered to deliver high fuel flow while maintaining performance at elevated operating pressures. Its high-pressure capabilities make it suitable for modified turbocharged engines where consistent fuel delivery is essential.

With flow rates of 390 L/H at 3 bar and 285 L/H at 5 bar, the GST400 offers a substantial fuel delivery upgrade over many conventional in-tank fuel pumps.

Actual horsepower capability will depend on the fuel used, engine efficiency, injector requirements, base fuel pressure, boost pressure and electrical supply.

Important Installation Information
This is a high-performance fuel pump upgrade and is not a direct plug-and-play replacement.

Modifications to the vehicle's wiring, fuel lines and fuel pump module or carrier are required for installation.

Professional installation is strongly recommended to ensure the correct electrical supply, secure fuel connections and safe operation of the upgraded fuel system.

Please Note: The fuel pump carrier shown in supplier images is not included in the kit.

The exact contents of the GST400-013 installation kit should be confirmed before ordering.

Fuel Pump Performance Chart

Manufacturer flow chart:

Please note that the linked chart references GST400-003. Confirm its applicability to the GST400-013 kit before using it as a product-specific performance reference.