ACT Alignment Tool AT61 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: 24 Input Shaft Diameter (in.): 1.03125 Applications 2000-2009 Honda S2000 What’s In The Box? ACT Alignment Tool References Installation Instructions Warranty Manufacturer 1 Year Warranty