Brand: Advanced Clutch Technology Manufacturer's Part Number: AT71 Part Type: Clutch Alignment Tools Product Line: ACT Clutch Alignment Tools Automotive Fittings Part Number: ACL-AT71 UPC: 00837055004680 Input Spline Quantity: 21 Input Shaft Diameter: 1.125 in. Pilot Diameter (in.): 0.960 in. Alignment Tool Material: Plastic Clutch Alignment Tool Color: Black Quantity: Sold individually. Notes: Pilot diameter 0.925 in., pilot length 1.390 in. 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.