ACT Alignment Tool AT52 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: 21 Input Shaft Diameter (in.): 0.875 Applications 1983-1989 Honda Accord 1983-1987 Honda Prelude What\’s In The Box? ACT Alignment Tool References Installation Instructions Warranty Manufacturer 1 Year Warranty