Fuel Pressure Regulator Delete - LS Truck 1.400" Fuel Rail (Flex Fuel) w/ 1/8" NPT

Fuel Pressure External Regulator Bypass Plug for LS L59 Truck Fuel Rail w/ Gauge Port

Installs in place of factory 1999-2003 Silverado (L59 flex fuel rails only) fuel pressure regulator that is mounted to the fuel rail.  This part is needed to increase fuel pressure for turbo applications.  You will need to use an external fuel pressure regulator (FPR) once this is installed.

*ONLY compatible with Flex Fuel rails

• Compatible with 1.400" bore, fuel rails (this is the section this plugs oring seals against)
• Compatible with (1999-2003) LS Gen 3 truck/SUV round "Flex Fuel" rails
• Required when using an external fuel pressure regulator
• Made in Wichita Kansas, from 6061-T6, USA produced billet aluminum
• Includes adapter plug and oring
• Plug has a 1/8"-27 NPT hole to mount a gauge or aux fuel supply
• Re-uses the factory retainer clip

Helpful Links

• Optional 1/8" NPT fuel pressure gauge
• Recommended 1:1 boost referenced, fuel pressure regulator
• Replacement -117 oring