ACT Alignment Tool AT105 is an alignment tool that facilitates the installation of an ACT pressure plate by correctly aligning the clutch disc with the pilot bearing. This results in easy alignment with the transmission input shaft. Features Product Weight (lbs.): 0.1 Spline Quantity: 26 Input Shaft Diameter (in.): 1.375 Applications 2007-2010 BMW 335i 2008-2010 BMW 535i 2008-2010 BMW 135i 2009-2010 BMW Z4 What\’s In The Box? ACT Alignment Tool References Installation Instructions Warranty Manufacturer 1 Year Warranty