Wilwood PolyMatrix Pad Set - 6647 Q (.67 THK)

SKU: 150-Q-6617K

Wilwood PolyMatrix Q Brake Pad Set for Street and Track Excellence

The Wilwood PolyMatrix Q Brake Pad Set, a ceramic-based, dual-sport brake pad designed for unmatched stopping power, smooth engagement, and minimal dust and noise. Engineered by Wilwood, a leader in high-performance disc brake systems since 1977, these brake pads deliver reliable performance for both spirited street driving and demanding track conditions, making them the ideal choice for enthusiasts seeking precision and durability.

Why Choose the Wilwood?

The PolyMatrix Q compound (Pad #6647, .67" thick) is crafted for drivers who demand consistent braking performance across a wide range of conditions. With a medium friction level and excellent fade resistance, these pads provide smooth, predictable response for daily driving while offering the enhanced grip needed for high-performance applications. Their ceramic-based formula ensures low wear at lower temperatures, reduced dust, and quiet operation compared to traditional racing pads, making them perfect for muscle cars, trucks, SUVs, Jeeps, and custom hot rods equipped with Wilwood brake kits. Compatible with iron, steel, stainless, and titanium rotors, these pads are versatile and reliable for a variety of braking systems.

Key Features and Benefits

• Ceramic-Based PolyMatrix Q Compound: Delivers medium friction with excellent fade resistance for consistent performance in street and high-demand driving.
• Smooth Engagement: Provides predictable, controlled braking for confident stops in all conditions.
• Low Dust and Noise: Engineered for cleaner wheels and quieter operation, ideal for daily drivers and performance vehicles alike.
• Long Service Life: Low wear rate at low-to-medium temperatures extends pad life, reducing maintenance costs.
• Versatile Compatibility: Designed for Wilwood W6A, W4A, AERO4, and AERO6 calipers, ensuring seamless integration with many Wilwood big brake kits and other calipers using common pad plate shapes.
• High Fade Resistance: Maintains braking performance under high-temperature conditions, perfect for spirited driving or light track use.

What’s Included in Your Purchase

• Four Brake Pads: Complete axle set (2 inner pads, 2 outer pads) for Wilwood calipers.
• Part Number: 150-Q-6617K (PolyMatrix Q Compound, Pad #6647).
• Thickness: 0.67 inches (17 mm).
• Pad Plate Shape: #6617, compatible with Wilwood W6A, W4A, AERO4, and AERO6 calipers.
• Packaging: Securely packed to ensure safe delivery.

Fitment Details

The Wilwood PolyMatrix Q Brake Pad Set (SKU 150-Q-6617K) is designed to fit a wide range of vehicles equipped with Wilwood big brake kits featuring W6A, W4A, AERO4, or AERO6 calipers. As these pads are part of Wilwood’s bolt-on brake kits, fitment depends on the specific brake kit installed rather than a universal vehicle application. Common vehicle types include:

• Muscle Cars: Chevrolet Camaro, Ford Mustang, Dodge Challenger, and similar models with Wilwood brake upgrades.
• Trucks and SUVs: Ford F-150, Chevrolet Silverado, Dodge Ram, and others with compatible Wilwood brake kits.
• Jeeps: Jeep Wrangler and other models equipped with Wilwood big brake kits.
• Custom Hot Rods: Vehicles with custom Wilwood brake installations.

Note: Always verify fitment with your specific Wilwood brake kit or caliper model before purchasing, as these pads are not universal and require compatible calipers. Contact Wilwood or your brake kit supplier for precise fitment confirmation.

Specifications

• Part Number: 150-Q-6617K
• Pad Compound: PolyMatrix Q (ceramic-based, dual-sport)
• Pad Thickness: 0.67 inches (17 mm)
• Pad Plate Shape: #6617
• Caliper Compatibility: Wilwood W6A, W4A, AERO4, AERO6
• Rotor Compatibility: Iron, steel, stainless, and titanium rotors within intended temperature ranges
• Applications: Street driving, high-performance driving, light track use.
• Weight: Approximately 4–5 lbs per set.
• Shipping Box Dimensions: Approximately 8" x 6" x 4”.

Manufacturer Information

Wilwood Engineering, based in Camarillo, California, has been a trusted name in high-performance braking systems for over four decades. Utilizing advanced computer-aided design, finite element analysis, and dynamic testing, Wilwood ensures every product meets rigorous performance and reliability standards. The PolyMatrix Q compound reflects Wilwood’s commitment to innovation, offering a balance of street-friendly characteristics and track-capable performance.