ACT Alignment Tool AT36 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: 23 Input Shaft Diameter (in.): 0.9375 Applications 2000-2009 Audi S4 1997-2005 Audi A4 Quattro 2000-2004 Audi A6 Quattro 1997-2008 Audi A4 1998-2005 Volkswagen Passat 2007-2008 Audi RS4 1997-2005 Audi A4 2001-2005 Audi Allroad Quattro What\’s In The Box? ACT Alignment Tool References Installation Instructions Warranty Manufacturer 1 Year Warranty