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Added strength over a Ford 9" and able to handle big power and abuse, , this thirdmember is the ultimate balance of fitting in most Ford 9" housings and giving added strength and durability. This Mark Williams third member is used across drag racing in some of the most severe use cases with the heaviest and fastest cars that demand performance and durability. Features Mark Williams Aluminum thru bolt housing 3.812" carrier bore Taper Bearing Spool bearings Taper/Taper bearing pinion support 40-spline lightweight steel spool Billet Aluminum Main Caps MW aluminum or steel 35-spline pinion yoke Taper spool bearings 7/16" ring gear bolts Your choice of 35 spline large pinion Richmond 9.5" gears
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🇺🇸 Ship from USA · On Agora since 2026
$3,899.00