Upgrade your vehicle's braking system with the Auto Extra Front/Rear Disc Brake Drum, model number AX8146. This premium brake drum is designed for a performance/custom fit, ensuring reliable stopping power and durability. Crafted from a robust combination of cast iron and steel top, the drum measures 10.39 inches in outside diameter with a nominal size of 9 inches, and a brake surface width of 64.8 mm. The drum's dimensions include a 4-bolt hole quantity with a 15.7 mm diameter, a center hole diameter of 62 mm, and a bolt circle diameter of 4.5 inches. Please note that this brake component does not come with an ABS tone ring or rust-resistant coating. With a manufacturer warranty of 3 years, this brake drum is a practical choice for maintaining optimal safety and performance on the road.