Choosing Fittings is complicated and can be a nightmare so I have made you a Kit that comes with everything you will need for you civic or integra kswap
1x T7Designs Kseries Billet fuel rail kit (works will all oem intake plenums rrc/rbc/rsp/prc/rbb)
1x -6AN Raceworks 1:1 rising rate Adjustable Fuel Pressure regulator FPR-501BK
1x Raceworks 0-100psi Liquid filled Fuel pressure gauge FSA-506BK
3x -6AN orb to -6AN Raceworks flare fittings RWF-920-06BK
2m Raceworks -6AN black braid over PTFE e85 safe Braided Hose RWH-240-06
1x 0.5m e85 safe Raceworks -5AN rubber fuel return line fuel hose RWH-400-06
1x -6AN barb to -5 straight Raceworks fitting RWF-411-06-05BK
2x Raceworks hose clamp billet end -6 stealth fittings RWF-150-16MM
2 x Raceworks -6AN PTFE 45 Degree Fittings RWF-202-06BK
2 x Raceworks -6AN PTFE 90 Degree Fittings RWF-203-06BK
1x Raceworks -6AN port blockoff (for the fuel pressure reg port not in use) RWF-814-06BK
1x Raceworks m12 to -6AN OEM Fuel Filter fitting (no need to cut or customize your metal fuel lines) RWF-730-06BK
*E85 SAFE Hose and Fittings
This kit will be more than enough to Plumb the fuel system in any EG, EK or DC k20 or k24 KSWAP
