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

Hybrid GT2 spec intercooler kit - Toyota Hilux gen 8
DPR S13 R32 A31 Z32 rear camber arms
D2 upper mount (top hat) stud
Denso Kinugawa 600cc injector set (4) GDA GDB 