GearWrench 2420D Clutch Aligning Tool Set Aligns single disc clutches on American and imported cars, light trucks, and tractors Plate aligning cone has 1-1/8 maximum diameter taper Includes Zinc adapters for Import: 0.472" and 0.500"; 0.622" and 0.641"; 0.688" and 0.710"; 0.826" and 0.875" Black adapters for domestic: 0.561" and 0.590"; 0.749" and 0.787"; 0.812" and 0.874"; 0.984 and 1.181" Pilot bushing cone taper size: 0.734" to 1.17"