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· Mustang Convert
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I don't know what the original looks like but can speak to how this one fits. As far as fitting the oval opening perimeter wise it is a perfect fit. The channel in the grommet is designed for a slightly thicker firewall though. With just the aluminum from FFR the grommet floats a little due to the thinner aluminum compared to the rubber channel. I plan to fix this when I apply the Fatmat to the firewall by removing the grommet and matching the Fatmat up to the hole in the aluminum. The additional thickness of the Fatmat should make it a tight fit.

Btw, the hole in the grommet doesn't have any sort of expandable sock to adjust to the size of the harness running through it.

Kevin


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