This Cometic main seal assembly references a 1989–2002 Nissan RB26DETT application and includes AFM material construction described as a chemically blown nitrile synthetic rubber bonded to an aluminum core. AFM offers strong torque retention, roughly 85% recovery, temperature resistance above 205°F, and doesn’t require additional sealants or re-torquing, making it a durable sealing choice for the specified RB26DETT application.
Cometic 89-02 Nissan RB26DETT .032in AFM Vac Tube Air Chamber