SARD Fuel Rail Adapter – SRA01 – Nissan, Subaru, Mazda. Fits Skyline – RB26DETT, Silvia, 180SX, SR20DET, Impreza – EJ20G, EJ20K, EJ205, EJ207, Legacy – EJ20G, EJ20H, EJ20R, EJ206, EJ208, RX-7 13B-REW, This fitting bolts to the stock fuel rail allowing for the use of nipple or AN fitting out to the SARD fuel pressure regulator. Additional AN or Nipple fitting sold separately. Made in Japan.