حلقات O من Viton FKM | AS568-907 | داش 907 | صلابة 75 | بني (250 / عبوة)

Finally needed a seal that wouldn't degrade near the engine's exhaust manifold, and these FKM rings handle the heat perfectly. The 75 durometer feels noticeably firmer than the standard Buna-N I was using before.

The high-temp rating was exactly what I needed for a fuel system repair, and these 907s sealed perfectly on the first try. The brown color actually helps me easily spot them during installation. Pack of 250 should last me a lifetime.

These fit perfectly on a high-temp pneumatic valve I service, and the 75 durometer feels firm without being brittle. Only minor gripe is the brown color makes them a little harder to spot if one drops on the floor.