Fits Rockwell American & AL-KO 10-12K Axles with Kodiak Disc Brake System. Also fis Dexter 8K-12K Axles with Kodiak Disc Brake Applications Use with #338 or #2250 Caliper Rotor Diameter: 11.3" Bolt-on Rotor Standard Automotive Finish This is a Replacement Rotor for Most Kodiak Heavy Duty Disc Brake Conversion Kits THIS REPLACEMENT ROTOR FITS ON 10,000-12,000 LB DEXTER, ROCKWELL AMERICAN & AL-KO AXLES WITH KODIAK HYDRAULIC DISC BRAKES. TOTAL DIAMETER IS 11.3". STANDARD FINISH. BOLTS NOT INCLUDED.