DuraGo BD8146 Brake Drum - Front or Rear

DuraGo BD8146 Brake Drum for Mustang

The DuraGo BD8146 brake drum is built for Ford Mustang applications that call for a 9-inch front drum or a 9 x 2 1/4-inch rear brake setup. It uses a cast iron / steel top composite construction to support consistent braking performance and accurate fitment.

Manufactured in ISO-certified factories, this DuraGo brake drum reflects the brand’s focus on fit, form, and function for aftermarket brake service. It is a direct replacement option for classic Ford Mustang brake repairs where drum dimensions and bolt pattern must match the original setup.

Key Features

• Part number: BD8146
• Cast iron / steel top construction
• Nominal drum diameter: 9 in. (228.6 mm)
• Maximum brake diameter discard: 9.09 in. (230.89 mm)
• Outside diameter: 10.39 in. (264 mm)
• Brake surface width: 2.55 in. (64.8 mm)
• Bolt hole quantity: 4
• Bolt circle diameter: 4.5 in. (114.3 mm)
• Center hole diameter: 2.44 in. (62 mm)
• Overall height: 3.11 in. (79 mm)
• ABS tone ring not included
• Outer cooling fins not included

Detailed Description

DuraGo BD8146 is a brake drum engineered for classic Ford Mustang brake service, including 1964-1973 Mustang front drum applications and 1967 Mustang rear brake applications. The drum’s 4-bolt pattern, 4.5-inch bolt circle, and 9-inch nominal diameter align with the listed vehicle fitment, while the composite cast iron and steel top construction supports dependable braking surface integrity.

This part cross-references Anchor 2640 for the same application. DuraGo BD8146 is also referenced by part number 8146 in related catalog listings. For buyers searching for a Ford Mustang front brake drum 1964-1973 or a 1967 Mustang rear 9 x 2 1/4-inch brake drum, BD8146 provides the dimensional match needed for service work.

What This Brake Drum Helps Address

• Brake pulsation or uneven drum wear from an out-of-spec surface
• Drum replacement after scoring, cracking, or heat damage
• Restoration work on classic Ford Mustang brake systems
• Fitment issues caused by incorrect drum diameter or bolt pattern
• Brake service needs on 9-inch front drum and 9 x 2 1/4-inch rear brake setups

Installation Notes and Tips

Verify drum diameter, bolt circle, center hole diameter, and brake surface width before installation. Confirm whether the vehicle uses the front or rear brake position listed for your application, since this part is cataloged for both 1964-1973 Mustang front and 1967 Mustang rear fitments. Inspect related brake components for wear and measure the existing drum against the discard diameter specification before reuse or replacement.

Quality Assurance

DuraGo manufactures this brake drum in ISO-certified factories and builds its brake program around catalog accuracy and fitment consistency. The brand’s aftermarket brake line is developed with attention to detail and application-specific dimensions for service replacement use.