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Bully Driveline

Ford 9 Inch Posi Traction Third Member Assembly [3:50 Ratio 31-Spline]

Ford 9 Inch Posi Traction Third Member Assembly [3:50 Ratio 31-Spline]

Regular price $1,511.99 USD
Regular price Sale price $1,511.99 USD
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  • 3:50 Ratio
  • 31-Spline
  • 1310 Series Yoke - 3 7/32 in. wide
  • 1 1/16 in. U-Joint Cap
  • Nodular Iron Housing
  • 8620H Steel Gears
  • Trac-Loc Assembly

31-Spline Axle

Features:

Bully Ford 9-inch Third Member Assembly comes preassembled ready to install. Includes a Nodular iron case with 2.891" carrier bearings, Nodular iron standard pinion support, top-quality 3:50 ratio ring and pinion, 31-spline trac-lok clutch style differential , premium bearings and Pinion Yoke. The 1310-series u-bolt style pinion yoke is the optimum size for multiple applications. Perfect for Restorations, Custom Hotrods, Trucks, and many other Street Performance Applications.

Specifications:

  • Case Style: Ford 9 in.
  • Case Material: Nodular iron
  • Main Cap Material: Nodular iron
  • Main Cap Retention Style: Bolt
  • Pinion Support Bolt Quantity: 5
  • Standard Pinion Location: Yes
  • Ring Gear Load Bolt: No
  • Ring and Pinion Ratio: 3.50:1
  • Yoke Included: Yes
  • Yoke Style: 1310 Series
  • Bearings Included: Yes
  • Carrier Type: Trac Lok
  • Quantity: 1
  • Carrier Bearing Diameter: 2.891 in (73.431 mm)

Posi-traction without the Noise

Bully Ford 9-inch Third Member Assemblies come complete with the added performance of a Trac-Loc limited slip differential. Available in 28 & 31-spline axle shaft configurations. The Trac-Loc limited slip differential is ideal for street rod, muscle car or truck where one wants posi-action without the adverse handling effects or noise of a full locker. Our Assemblies start with a new housing and are assembled with new bearings, seals, a heavy-duty Daytona pinion support, a 1310-series yoke, and your choice of the most popular gear ratios. The 1310-series yoke is the perfect size for many factory or street performance applications with 1 1/16 in. OD x 3 7/32 in. wide cups. All third member assemblies are delivered ready to install.

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