These specific fuel fittings are designed to work with K-Tuned fuel rails and the existing OEM RSX/Civic Si/and TSX fuel lines. They will also fit any rail with 8AN inlet / outlet ports.
This kit includes 2 fittings: a full flow 5/16′ EFI fitting and 8AN port plug.
Price is for both fittings.
Vehicle applications: 02-05 Civic Si, 06-11 Civic Si, 02-06 RSX (all), 04-08 TSX