Holley Boost Compensating Universal EFI Fuel Pressure Regulator FIA 8859 Newly revised version 2 now

Newly revised version 2 now comes with a high performance catalytic converter

Bolt Specs: Oil Feed - 1/8" NPT

360 degree swivel

BASE MAP INDEX

Holley Boost Compensating Universal EFI Fuel Pressure Regulator FIA 8859 Newly revised version 2 nowThis precision adjustable fuel metering regulator is the ultimate fuel pressure control unit designed to work on all naturally aspirated EFI, turbo, and supercharged applications like vehicles that run in the Pro Street, Pro Import, and Outlaw classes. This is a 2 port 1: 1 boost compensating return style regulator that is adjustable from 15 65 PSI + boost reference and is designed to be used in conjunction with any electric EFI fuel pump. Features