FC3S 13B-T Rail Set S4 Series 4 & 5 Engine Parts 30-90 PSI base pressure adjustment

30-90 PSI base pressure adjustment

block off plate gaskets

or Turblown UIM

All while retaining the same "Compatible with everything but dirt" corrosion resistance that made the ID1700 famous

or any other fabrication project requiring one

FC3S 13B-T Rail Set S4 Series 4 & 5 Engine Parts 30-90 PSI base pressure adjustment13B T FC3S Primary and Secondary Fuel Rail The diffusers must be removed. Includes Lower O Ring Inserts Black Color Only 48mm Primary Fitment Only Fitment: 86 91 Mazda RX7 (S4 and S5 13B T) 1 2 Bore Suited for high horsepower needs O ringed end fittings No more Teflon tape worn threads! Centering Spacers Ensuring injectors are centered for no air fuel leaks Stainless Hardware High strength corrosion resistant 13B Ts require different lengths