These SARD fuel rail adaptors will help with the installation of any aftermarket fuel pressyre regulator (FPR). There are various fitments available. This particular item is designed to fit the GDB Subaru (part number SRA06): SUBARU GDB Impreza / WRX

Bosch 650cc injectors set (6) high impedence
Hybrid GT2-S intercooler kit - Falcon FG XR6
Adjustable Cam Gears Nissan RB20-25-26
Turbo oil and water line kit Nissan S15 T28 BB Kinugawa (Top Mount Turbo)
Flange to suit greddy blow off valves - 34mm
BC Camshafts 3SGTE stage 2 / 3
V-band flange and clamp set (2.00")
Turbosmart Kompact Plumb-Back BOV - Subaru
Gasket - T25 T28 exhaust housing inlet
GFB EX44 44mm V-band wastegate
Magnaflow exhaust system - Ford Mustang V8 5L
Bosch 550cc injectors set (4) high impedence
BC Camshafts EJ20 stage 2 / 3 