E-Chassis Walbro Stage 2 Bucketless LPFP Upgrade (N54/N55)


This is a complete plug and play solution to replace your stock Low Pressure Fuel Pump (LPFP) with a new E85 certified bucketless assembly.


This solution provides up to 25% more flow than our standard Stage 2 LPFP upgrade and up to 150% more flow than the stock pump.

This pump will support up to 550whp running 85% ethanol and 600whp running 50% ethanol.

The Stage 2 bucketless kit includes the following:

  • A custom anodized billet fitting for the pump output and stock fuel line connection.
  • Our custom billet aluminum anodized bracket for the pump and float assembly
  • Two cotter pins to secure your float assembly
  • Spare vent tube clip
  • A new Walbro filter
  • A new E85 compatible Walbro 450 pump (F90000274)
    • Optional upgrade to Walbro 525 pump (F90000285)

Recommended for up to 550whp on E85 and 625whp on race gas.  If you still need more flow, the Stage 3 upgrades are also available and can be added to your Stage 2 bucketless pump.

Additional information

Upgrade pump to Walbro 525?

No, do not upgrade pump, Yes, upgrade to Walbro 525 ($75)

Add a lock ring tool?

No, do not add tool, Yes, add lock ring removal tool ($25)



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