GrimmSpeed Air/Oil Separator Rebuild Kit


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GrimmSpeed SKU: GRM078029

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Hardcore heat cycles or repetitive removal can over time wear on the O-rings in the AOS. Maybe you like the peace of mind or have a show car you always want in perfect condition, this rebuild kit will get you all sealed up! It comes with all necessary O-rings for a full replacement.


  • 1x Large O-ring for the bottom of the body
  • 1x O-ring for the inner seal of the core to the body
  • 1x O-ring for the top core to body seal
  • 3x Fitting O-rings