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

PACE MAKER exhaust system - Ford Falcon BA BF XR6 turbo
RAGE exhaust system - Ford Falcon BA BF XR6 turbo
Toyota 4EFTE Starlet manifold and dump pipe set (suit TD04/TD05 turbo)
BC Camshafts K20a stage 2 / 2+ / 3
Denso Kinugawa 600cc injector set (4) GDA GDB 