Oh and about the triangle part - is it designed that way to endure more stress? At the angle its being pushed on, I can see why a curve is harder to break - but does that mean it will also hold more compression for a longer period of time.
Since they are factory mazda seals, is that curve just a design change since the years have gone by? Your old seals look like factory. I think thats awesome for mazda to go back and redo a design for a seal used in an engine not produced anymore...
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