
10 Splines | 1.125in Shaft Size | Black Plastic | Application-Specific Tool
The ACT AT83 alignment tool supports the clutch disc in position while the pressure plate is installed, helping simplify transmission reassembly on the listed BMW applications. Correct disc alignment allows the input shaft to enter the clutch hub without fighting an off-center disc. AT83 uses a 10-spline profile and a specified 1.125-inch input shaft diameter, with black plastic construction for this installation task. Its coverage spans several BMW models, so a model name alone is not enough to select the tool. Compare the spline size and complete year-specific application list with the clutch being installed before ordering.
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