Billet Performance Products Nissan S14/S15 SR20DET fuel rail kit is a direct bolt-on billet rail for 14mm top-feed injector setups.It is made for S-chassis fuel system upgrades where injector flexibility and reliable delivery matter, especially on tuned street cars, drift cars and track builds. The rail works naturally with larger injectors, AN fittings, braided hose and the rest of a properly planned EFI fuel system.Features MPN: BPP8007 Fitment: Nissan S14 and S15 SR20DET Injector style: 14mm top-feed injectors Injector compatibility: Supports common EV14K and EV14 style injector lengths with supplied adaptors Construction: CNC-machined 6061-T6 billet aluminium Rail bore: 16mm internal bore Finish: Type II bright dip anodised finish Typical Applications Nissan S14 and S15 SR20DET top-feed conversions Street, drift and circuit SR20 builds Injector and ECU upgrades on modified SR20DET engines Fuel system refreshes using braided hose and EFI regulators Fitment Notes Suits Nissan S14 and S15 SR20DET applications Designed for 14mm top-feed injectors Not interchangeable with the S13 SR20DET rail without confirming manifold compatibility Check injector length and rail clearance before installation