Wheel Bearing - 3.150 in OD - 1.774 in ID - Ball Bearing - Lock Ring / O-Ring Included - Large Ford 9 in / Oldsmobile Housing Ends - Pair
The Mark Williams 12" Modular is the only rear end in drag racing that offers a warranty on gear sets
That is how confident we are in the strength of our rear end
Every racer wants reliability and consistency, there is no better way to do it than with a modular rear from MW
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