High‑Flow Fuel Pumps from Walbro and DeatschWerks are trusted upgrades for drivers adding forced induction, raising boost, or simply seeking steadier fuel delivery on the track. Both brands focus on reliable flow rates, drop‑in fitment, and compatibility with modern pump fuels—including E85—making them popular choices for street builds and full motorsport applications alike.
Walbro Fuel Pumps
Produced by TI Automotive, Walbro pumps have become a staple in performance circles for their balance of affordability and robust flow. From the classic GSS342 255 lph in‑tank unit to higher‑capacity 450+ lph models, Walbro pumps deliver the volume needed for turbo, supercharged, and high‑revving naturally aspirated engines.
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Proven Flow Ratings
255 lph pumps support many bolt‑on turbo builds, while 450 lph and 525 lph units feed high‑horsepower E85 setups. -
Drop‑In Fitment Kits
Vehicle‑specific install kits streamline the swap by including strainers, electrical pigtails, and grommets. -
E85 Readiness
F90000267, F90000274, and other “Hellcat‑style” pumps resist ethanol corrosion, making them popular for flex‑fuel conversions.
DeatschWerks Fuel Pumps
DeatschWerks (DW) focuses exclusively on fuel delivery, offering a broad lineup—from the DW200 (255 lph) to the DW400 (415+ lph). Each pump is flow‑tested and matched with an individual data sheet, giving builders confidence that their pump meets its advertised spec.
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Flow‑Verified
Every unit ships with a test report showing exact flow at multiple pressures. -
Ethanol‑Compatible Internals
DW200c, DW300c, and DW400 are engineered to withstand high‑ethanol blends without premature wear. -
Quiet Operation
Compact turbine‑style impellers deliver high flow while keeping noise levels manageable for daily driving.
Choosing the Right Pump
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Horsepower Goal
Calculate fuel demand based on target wheel horsepower and preferred fuel (gasoline vs. E85). Higher ethanol content requires roughly 30% more flow. -
Fuel System Layout
In‑tank single pumps suit many street builds; twin‑pump hats or external pumps may be needed for extreme power levels. -
Voltage and Wiring
High‑flow pumps draw more current—consider upgraded wiring or a relay/hobbs‑switch setup to ensure stable voltage under load.
Installation Tips
- Replace or clean the fuel filter to prevent contaminants from restricting your new pump.
- Use fresh O‑rings and hose clamps rated for modern fuels, especially ethanol blends.
- After installation, verify base fuel pressure and perform a wide‑open‑throttle check with a fuel pressure gauge or logging software.
Whether you select a Walbro unit for its long track record or a DeatschWerks pump for flow‑verified data, upgrading your fuel system ensures the engine receives the volume it needs at higher boost levels and sustained high RPM. Explore our collection to find the ideal pump and install kit for your build, and drive with confidence knowing your fuel delivery can match your performance goals.
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