QFS-344FT - 1997-2004 Ford F150 F-150 F250 F-250 V6 V8-265LPH Direct Fit Fuel Pump Flextech 65mm Supports up to 600 BHP in N/A, Turbocharged, and Supercharged applications HFP Support for QFS pumps is USA based and provided by USA technicians. Ships from the USA. Designed for gasoline or E85 Bypass valve set at 125.8psi, higher than both Walbro GSS series 255LPH pumps, and Walbro 400/ 450LPH pumps Serialized fuel pump body guaranteesLifetime warranty. Quantum has built its reputation on providing a lifetime warranty for all its OEM and performance fuel pumps