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The Cometic Street Pro top-end kit for 1991–2002 Nissan RB25DE/RB25DET (86mm bore) supplies the gaskets and seals needed for a street rebuild. StreetPro kits use quality materials including MLS, AFM, aramid fiber, and Armor Clad to cover head gaskets (.027in MLS), seals and ancillary gaskets. It’s positioned as a comprehensive, budget-minded kit for routine top-end service.
Cometic Street Pro 91-02 Nissan RB25DE 2.5L Inline 6 86mm Bore Top End Kit
