ACT Alignment Tool AT12 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.): 0.9375 Applications 1969-1970 Toyota Corona 1980-1987 Toyota Corolla What\’s In The Box? ACT Alignment Tool References Installation Instructions Warranty Manufacturer 1 Year Warranty