Centric 122.66017 Brake Drum - Rear

Overview of Centric Premium Brake Drums 122.66017

The Centric Premium Brake Drum 122.66017 is engineered for reliable braking performance in various vehicle applications. Designed with precise dimensions and a floating mounting type, this brake drum supports consistent stopping power and durability.

• Nominal drum diameter: 13.000 inches (330.5 mm)
• Outside diameter: 15.040 inches (382.0 mm)
• Maximum brake diameter (discard): 13.090 inches (332.5 mm)
• Friction surface width: 2.97 inches (75.4 mm)
• Bolt hole quantity: 8 with 0.56 inch (14.224 mm) diameter
• Bolt circle diameter: 6.5 inches (165.1 mm)
• Mounting type: Floating
• Weight: 38.5 lbs (17.5 kgs)

Details on Centric Premium Brake Drums Product Line

The Centric Premium Brake Drums line focuses on delivering precision-engineered brake components that meet or exceed OEM specifications. This product line emphasizes consistent fitment and performance, making it suitable for vehicles requiring exact brake drum dimensions and reliable mounting configurations. The 122.66017 brake drum is part of this line, ensuring compatibility with vehicles that demand a floating mounting type and specific bolt patterns.

Technical Description and Specifications

This brake drum features a nominal diameter of 13.000 inches and an outside diameter of 15.040 inches, providing a robust friction surface width of 2.97 inches. The maximum brake diameter discard limit is 13.090 inches, indicating when the drum should be replaced to maintain safe braking. The drum includes eight bolt holes with a 6.5-inch bolt circle diameter, designed for secure attachment. The floating mounting type allows for slight movement to accommodate thermal expansion and reduce stress on the braking system. Weighing 38.5 pounds, this brake drum balances durability with manageable weight for installation.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums with a nominal diameter of 13 inches
• Addressing brake pulsation caused by uneven drum surfaces
• Resolving noise issues related to loose or damaged mounting points
• Improving braking consistency in vehicles requiring an 8-bolt, 6.5-inch bolt circle pattern
• Supporting vehicles with floating mounting brake drum systems

Installation Notes and Tips

• Verify bolt hole pattern and mounting type compatibility before installation
• Inspect hub and mounting surfaces for cleanliness and damage
• Measure drum diameter to ensure it is within discard limits before reuse
• Use proper torque specifications on mounting bolts to avoid warping
• Check brake shoe clearance after installation for optimal performance

Quality Assurance and Warranty

Centric Premium Brake Drums are manufactured to meet stringent quality standards, ensuring dimensional accuracy and material integrity. The 122.66017 brake drum undergoes rigorous testing to comply with OEM requirements. While specific warranty details are not provided here, Centric products typically include coverage against manufacturing defects. Consult product documentation or manufacturer resources for exact warranty terms.