Brake Pad Part No: 15E-13010K


High-Temperature Racing Pads

Pad#: 6620
Compound: PolyMatrix E
Prod #: 15E-13010K
Price: $205.06
Wilwood Brake Pad Plate #6620 Wilwood Brake Pad Plate #6620 Zoom Image
PolyMatrix E
PolyMatrix E Brake Pads and Box
Picture shown is for illustrative purposes only
Pad Dimensions
Thickness(in) .80
Area(in²) 11.1
Volume(in³) 6.6
Bedded N
UPC Number
UPC 889545036343
Dust & Noise Ratings
Dust Production Rating Moderate
Pad Noise Rating Moderate
WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov
WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov

PolyMatrix E Compound

Pad Characteristics

  • Medium friction pad, medium effective temperature range in medium temperature pad group
  • Good initial bite, smooth engagement, low abrasion on iron rotors
  • Medium wear rate at high temperature
  • Consistent, linear response through temperature range

Pad Applications

  • Street use okay
  • Performance street
  • Autocross
  • Track day
  • Low temp drag racing with steel rotors
  • Off road

Rotor Material

  • Steel
  • Iron
PolyMatrix E Performance Stats PolyMatrix E Performance Stats Zoom Image
PolyMatrix E Friction Coefficient and Temperature Values PolyMatrix E Friction Coefficient and Temperature Values Zoom Image

The above friction data (μ) was recorded through braking cycles from 95 mph to 40 mph at a 0.5g deceleration. Snubs were consecutively done until rotor temperature reached 1300°F. This graph represents average data and is for general trend visualisations only comparing Wilwood pads. Chart data should not be used in comparison with other manufacturer's data. Test conditions, variables, and environment can affect test results.

Temperature range and overall friction value are the primary considerations for pad selection. The pads must maintain the proper amount of friction for stopping power within the temperatures that will be realized on the track. Overall wear rate must also be considered. For most asphalt and road race applications, compounds in the high-temperature range over 1000°F 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, improved cooling, a heavier rotor, or a higher temperature range pad may become necessary.

Wilwood Compatible Caliper(s) for Pad #6620

Aero4 Radial Mount
Caliper Dimensions
Piston Count 4
Piston Area Range (in²) 4.84
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero4 Radial Mount Calipers

The new Aero4 forged four piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. View Aero4 Calipers
Aero4 Radial Mount
Caliper Dimensions
Piston Count 4
Piston Area Range (in²) 4.84
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero4 Radial Mount Calipers

The new Aero4-ST forged four piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s type III hard anodized finish. Aeo4-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing View Aero4 Calipers
Aero4 Radial Mount
Caliper Dimensions
Piston Count 4
Piston Area Range (in²) 4.84
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero4 Radial Mount Calipers

The new Aero4-ST forged four piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s type III hard anodized finish. Aeo4-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing View Aero4 Calipers
Aero4 Radial Mount
Caliper Dimensions
Piston Count 4
Piston Area Range (in²) 4.17
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero4 Radial Mount Calipers

The new Aero4-ST forged four piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s type III hard anodized finish. Aeo4-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing View Aero4 Calipers
Aero4 Radial Mount
Caliper Dimensions
Piston Count 4
Piston Area Range (in²) 5.18
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero4 Radial Mount Calipers

The new Aero4-ST Quick-Silver forged four piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s Quick-Silver Nickel coating. QS-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing View Aero4 Calipers
Aero6 Radial Mount
Caliper Dimensions
Piston Count 6
Piston Area Range (in²) 4.04 6.52
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero6 Radial Mount Calipers

The new Aero6 forged six piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. View Aero6 Calipers
Aero6 Radial Mount
Caliper Dimensions
Piston Count 6
Piston Area Range (in²) 4.04
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero6 Radial Mount Calipers

The new Aero6-ST forged six piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s Type III anodize or Quick Silver Nickel coating. Aero6-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing. View Aero6 Calipers
Aero6 Radial Mount
Caliper Dimensions
Piston Count 6
Piston Area Range (in²) 4.04
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero6 Radial Mount Calipers

The new Aero6-ST forged six piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s Type III anodize or Quick Silver Nickel coating. Aero6-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing. View Aero6 Calipers
Aero6 Radial Mount
Caliper Dimensions
Piston Count 6
Piston Area Range (in²) 5.40
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero6 Radial Mount Calipers

The new Aero6-ST Quick-Silver forged six piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s Quick-Silver Nickel coating. QS-ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing. View Aero6 Calipers
Aero6 Radial Mount
Caliper Dimensions
Piston Count 6
Piston Area Range (in²) 5.40
Pad Area Range (in²) 11.1
Pad Volume Range (in³) 6.6
Max Rotor Widths (in) 1.28
Max Rotor Diameters (in) 15.00

Aero6 Radial Mount Calipers

The new Aero6/ST forged six piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero6 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood’s Type III anodize coating. Aero6/ST calipers utilizing the new .80” thick 6620 pad plate, give extra pad life for high heat endurance racing. View Aero6 Calipers

 
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Version: 3.05 June 24, 2022