Set of 4 lower fuel rail insulators to fit the applications listed below. These seals install on the fuel rail on each injector pod, and seal/insulate the fuel rail to intake manifold (see pic). Replace your worn-out leaking seals to remove boost and vacuum leaks.

S13 Silvia (SR20 only)
RPS13 180sx (SR20 only)
240sx (KA24DE)
N14 Pulsar "SR20"
N14 Pulsar " GA16DE"
N15 Pulsar "SR20"
U13 Bluebird " KA24DE"

These are an aftermarket replacement insulator seal. They replace the OEM Nissan part number #16636-53J00