Specifications: Front Brake Drums 19.50"/22.50"/24.50" Wheel 22mm Wheel Studs Various Brake Drum Sizes 1.25" Hole Diameter - 1/4"-5/16" Hole Depth Features: Use With Solutions "A" & Solution "C" Centers Brake Drum Holes To Stud Stays On Wheels Machined from Solid Steel Bar Stock Zinc Plated To Resist Corrosion Sold In Sets of 6 Per Axle Supported Brake Drums: Arvin Meritor 53-123512-002 53-123542-002 53-123627-002 53-123589-002 53-123608-002 Gunite 9000X 9001X 9035X Conmet N/A Motor Wheel Centrifuse 90089BK 89870BK 90174BK 91265B 90600B 90137B Webb N/A