Eaton 19554-010 Posi Performance Differential GM 8.875 Car 12-Bolt 30 Spline Product Details. Country Of Origin: United States.The Eaton Posi limited-slipdifferential is the perfect way tocontrol traction in street rods, light duty pickups and all typesof tarmac running race cars. Net-forged gears for added strength. Works in forward and reverse. Ring Gear Diameter: 8.875. Axle Shaft Diameter: 1.29. Gear Ratio: 3.08 - 3.90. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. The item "Eaton 19554-010 Posi Performance Differential GM 8.875 Car 12-Bolt 30 Spline" is in sale since Wednesday, November 16, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Transmission & Drivetrain\Differentials & Parts". The seller is "wundercarparts" and is located in United States. This item can be shipped to United States.