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Tuesday, June 18, 2013
Brake Pad Part No: 15B-11966K
Brake Pads
High-Temperature Racing Pads

Pad#:   6211
Compound:   PolyMatrix B
Wilwood Brake Pad Plate #6211

Wilwood Brake Pad Plate #6211 zoom image
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Product Number: 15B-11966K     Price: $117.32
Pad Dimensions
Thickness(in): Area(in²): Volume(in³): Beded:
.44 3.65 1.03 N
Temperature & Friction Ratings
Peak Temperture Rating: Peak Friction Rating:
1300+ F. 0.62
Dust & Noise Ratings
Dust Production Rating: Pad Noise Rating:
N-A N-A
Performance Characteristics
  • Medium-high friction, good cold response
  • Gently rising torque curve, predictable engagemnet
  • Low wear rate at medium temperatures, increasing to moderate at high temperature.
  • Medium-high friction, good cold response
Vehicle Applications
Pad Illustration and Dimensions
Wilwood Brake Pad Plate #6211 Large Drawing

Wilwood Brake Pad Plate #6211 Large Drawing
Compound Characteristics
PolyMatrix B

PolyMatrix B

Compound Data Sheet
    Application:

  • Race ONLY compound is a value priced, proven workhorse for most weekly category asphalt late models, sprints, modifieds, and sportsman divisions.
  • Hard braking dirt late models, DIRT modifieds, and rear inboard sprint brakes with vented iron or steel rotors.
  • SCCA club racers, rally, and auto-cross.
  • High MPH drag cars if high end fade occurs with lower temperature pads.
     Characteristics:

  • Medium-high friction compound with good cold response and a gently rising friction curve as temperature increases.
  • Smooth, predictable engagement with excellent control over a wide range of applications.
  • Long wearing pad in the middle temperature ranges with moderate wear in sustained high heat conditions.
  • Easily bedded without abrasion on new iron or steel rotors.
Compound Temperature Range & Torque Values
Temperature range and overall friction value are the primary considerations for pad selection. The pads must be capable of maintaining the proper amount of friction for stopping power within the temperatures that will be realized on the track during the event. Then, overall wear rate must be considered. For most asphalt and road race applications, compounds in the high temperature ranges over 1000°F range are usually necessary. Dirt track, drag race, and street performance applications usually operate at temperatures between 500° and 1000°F. Keep in mind that these are general ranges, and not absolute values. Many factors and unforeseen influences can affect brake temperatures. The best indicator for pad selection will always be on track performance. If pad fade (friction loss) due to overheating occurs, then improved cooling, a heavier rotor, or a higher temperature range pad may all become necessary.
Wilwood Compatible Calipers: Pad # 6211
GP320 Caliper
Wilwood GP320 Caliper Caliper

Wilwood GP320 Caliper Caliper zoom image
 The GP 320 billet four piston caliper is a compact, high efficiency performer. Weighing just 1.70 pounds, it was purpose built as an upgrade with increased pad size over two piston calipers on lightweight open wheeled racecars. The GP 320 is also well suited to other performance and racing applications including, but not limited to karts, motorcycles, mini-sprints, and formula sports racers. The GP 320 bridge configuration will accommodate rotors between .19" and .25" thick, with overall diameters between 9.00" and 11.50". View GP320 Calipers
Piston Count: Piston Area Range (in²): Pad Area Range (in²):
4 2.46 3.65
Pad Volume Range (in³): Max Rotor Widths (in): Max Rotor Diameters (in):
1.03 0.24 11.5
GP320 Caliper
Wilwood GP320 Caliper Caliper

Wilwood GP320 Caliper Caliper zoom image
 The GP 320 billet four piston caliper is a compact, high efficiency performer. Weighing just 1.70 pounds, it was purpose built as an upgrade with increased pad size over two piston calipers on lightweight open wheeled racecars. The GP 320 is also well suited to other performance and racing applications including, but not limited to karts, motorcycles, mini-sprints, and formula sports racers. The GP 320 bridge configuration will accommodate rotors between .75" and .81" thick, with overall diameters between 9.00" and 11.50". View GP320 Calipers
Piston Count: Piston Area Range (in²): Pad Area Range (in²):
4 2.46 3.65
Pad Volume Range (in³): Max Rotor Widths (in): Max Rotor Diameters (in):
1.03 0.81 11.5