89-91 (88-91 JDM) Turbo II FC3S RX7 S5 Secondary Fuel rail (N371-13-150)

89-91 (88-91 JDM) Turbo II FC3S RX7 S5 Secondary Fuel rail (N371-13-150)

Marsoni

M251S

$143.50

Get it in 3 business days with 1 day shipping. Friday, May 29

89-91 (88-91 JDM) Turbo II FC3S RX7 S5 Secondary Fuel rail (N371-13-150)In S5 FC Rx7 (Japan calls it Kouki) , Mazda (Denso) changed the way on how the pressure regulator mounts, so the S5 version it's all built in as a complete assembly (S4 is replaceable, but they leak easily) But on the other hand, if this goes bad you have to replace the whole assembly. This part has been NLA for a while, we've been asking them to re make them, and we finally got them! Part: N371 13 150

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I got this in hopes that it would be cooler than other pillows but it seems to hold the same amount of heat. Additionally, as a side-sleeper, it is too thick for me. It is however pretty comfy and seems to be made out of quality material. As other reviews stated, it was smelly at first but that went away within a week.

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Reviewed in the United States on April 22, 2026