Dynamite Friction 631-45006L Disc Brake Rotor - Rear Left

Overview of DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-45006L) is engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with a directional, slotted and drilled surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.

• Disc type: Solid disc brake rotor with drilled and slotted surface
• Nominal thickness: 11.2 mm with discard thickness at 9.4 mm
• Overall height: 27.9 mm; outside diameter: 278 mm
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied for extended durability
• Bolt hole quantity: 5 with 13.1 mm diameter; bolt circle diameter: 115 mm
• Directional brake surface optimized for improved braking efficiency
• Center hole diameter: 70.8 mm for precise fitment

Detailed Product Description

This Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is a solid rotor designed to meet the braking demands of mid-size and full-size GM vehicles. The rotor’s drilled and slotted surface helps to reduce brake fade by allowing gases and heat to escape more efficiently during braking. The directional pattern ensures optimal contact with brake pads, improving stopping power and pedal feel. The zinc silver hat finish combined with a rust resistant coating protects the rotor from corrosion, extending its service life in various driving conditions.

With a nominal thickness of 11.2 mm and a discard thickness of 9.4 mm, this rotor maintains structural integrity and safety standards throughout its lifespan. The 5-bolt hole pattern with a 115 mm bolt circle diameter matches the factory specifications for Buick Cutlass Supreme, Chevrolet Lumina, Oldsmobile Regal, Pontiac Grand Prix, and Monte Carlo models, ensuring a precise and secure fit.

Compatible Vehicles and Applications

• Designed for Buick Cutlass Supreme brake rotor replacement
• Compatible with Chevrolet Lumina and Monte Carlo models
• Fits Oldsmobile Regal brake systems requiring drilled and slotted rotors
• Suitable for Pontiac Grand Prix braking upgrades or maintenance
• Ideal for addressing brake fade, rotor warping, and uneven pad wear

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below 9.4 mm discard thickness
• Ensure proper torque on 5 lug bolts with 13.1 mm diameter holes
• Clean rotor surface before mounting to remove any protective coatings
• Check compatibility with existing brake pads and calipers for optimal performance
• Follow manufacturer’s recommended break-in procedure after installation

Quality Assurance and Warranty

Dynamite Friction’s DFC Brake Rotor line is manufactured to meet or exceed OEM specifications for fit, form, and function. The rust resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure consistent performance and safety.