31 Spline Mini Spool Ford 9 Inch, Mini Spool Type, 31 Spline Count

• Value option for locked axle traction in your Ford 9 inch rear end, or where rules forbid a full spool
• Durable 8620 forged steel, oversized diameter for maximum strength
• For 31-spline Ford 8 inch or 9 inch rear axles
• Easy and stronger way to lock axles without the trouble of welding the spider gears
• Will NOT work with posi differential carrier