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If you're rebuilding your Ford 9 in. rear end, you're going to need Moser Engineering pinion support O-rings. These Ford pinion housing seals get installed in between the carrier housing and the pinion retainer on OEM and most aftermarket Ford 9 in. rear ends. They're #248 O-rings made of durable rubber to ensure a proper seal against leaks. Specifications: 5.012 in. O.D. x 4.734 in. I.D. x 0.139 in. cross section
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$3.00
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