Brand: Advanced Clutch Technology Manufacturer's Part Number: AT103 Part Type: Clutch Alignment Tools Product Line: ACT Clutch Alignment Tools Automotive Fittings Part Number: ACL-AT103 UPC: 00842385018382 Input Spline Quantity: 22 Input Shaft Diameter: 1.125 in. Alignment Tool Material: Plastic Clutch Alignment Tool Color: Black Quantity: Sold individually. Description: Install your ACT clutch kit easier and more accurately with the proper ACT clutch alignment tools. These alignment tools will make quick work of centering the clutch disc and keeping it stationary with the flywheel as you install the pressure plate over it. Make your clutch installation simple and precise using ACT clutch alignment tools.