Page 814 - 2021-22 Auto Performance_Circle Track
P. 814
PolyMatrix Brake Pads
and select the proper pads. Experimentation is often necessary to determine the correct compound for a particular application.
PolyMatriX “A” Compound
Heat Range: Low to X-High, Torque: X-High
“A” compound delivers an immediate cold response with
the highest friction values at all temperatures. Engineered for severe-duty oval track race applications that require immediate high response at low temperatures.
PolyMatriX “B” Compound
Heat Range: High, Torque: High
With quick warm-up, high friction, and fade-free performance
at high temperatures, “B” is the best choice for sprints on pave- ment or dirt tracks with extreme braking.
BP-10 (“Smart Pads”) Compound
Heat Range: Medium to High, Torque: Light to Medium
A medium to high-temp compound, low-dust characteristics, and the low-temperature response of a street pad. Use on dirt
track cars with vented iron rotors, club sport, and track day racers.
PolymatriX BP-20 ("Smart Pads") Compound
Heat Range: Medium to X-High, Torque: Light to Medium
Provides increased friction levels with extended temperature
range over BP-10. Ideal for heavy braking on dirt tracks, and hobby and sportsman asphalt racing.
PolymatriX BP-30 ("Smart Pads") Compound
Heat Range: Medium to X-High, Torque: Light to Medium Long-wearing pad in the middle temperature ranges with
moderate wear in sustained high-heat conditions. Works well on
PolymatriX BP-40 (“Smart Pads”) Compound
Heat Range: Low to High Torque: Medium
Improved friction compound is well suited to severe-duty oval,
road course, and off-road applications that require aggressive response and durability at the highest of temperatures. Pads offer very high-heat fade resistance and long wear rates with iron and steel rotors.
PolyMatriX “E” Compound
Heat Range: Medium to High, Torque: Medium to High
of dirt racing. “E” has immediate cold response, with consis- tent torque and pedal response through the entire temperature tracks, with plenty of stopping power right from the start.
PolyMatriX “H” Compound
Heat Range: Low to X-High, Torque: High to X-High
Slightly softer initial response than “A” compound with the
same high-temperature friction. Severe-duty compound has long wear characteristics and works well on oval track applications. Delivers smooth, consistent engagement at all temperatures and pedal pressures.
PolyMatriX “Q” Compound
Heat Range: Low to Medium, Torque: Medium Ceramic-enhanced compound is ideally suited for aluminum
rotors. Provides smooth engagement, long service life, quick recovery, and high fade-resistance.
Composition Metallic “CM" Compound
Heat Range: High, Torque: Medium
Compound offers high friction throughout temperature range.
POLYMATRIX BRAKE PAD CHART (AXLE SETS, 4 PADS PER SET)
Caliper Pad Type Type
“A” Compound
“B” “BP-10” “BP-20” Compound Compound Compound
“BP-30” Compound
“BP-40” “E” Compound Compound
“H” Compound
“Q” “CM” Compound Compound
GM/Howe
D52
WIL15A-5737K
WIL15B-3994K
—
—
WIL150-14777K
WIL150-12249K
WIL15E-6102K
—
—
—
GM/Metric
D154
—
WIL15B-3998K
WIL150-8936K
WIL150-9422K
WIL150-14778K
WIL150-12250K
WIL15E-6103K
—
—
—
Aero 4/6, W4A, W6A Radial Mount
6617
—
—
WIL150-9488K
—
—
—
WIL15E-12604K
—
—
—
Billet Dynapro 6-Lug Mount
6712
—
—
—
WIL150-10007K
—
WIL150-12760K
—
—
—
—
Billet Dynalite Single
6812
WIL15A-10142K
WIL15B-9819K
WIL150-9764K
—
WIL150-14770K
WIL150-12242K
WIL15E-9820K
—
WIL15Q-10144K
WIL150-14354K
Dynalite (Cotter Pin)
7112
WIL15A-5734K
WIL15B-3991K
WIL150-8850K
—
WIL150-14771K
WIL150-12243K
WIL15E-6096K
—
WIL15Q-6824K
—
Superlite II, III
7320
WIL15A-5735K
WIL15B-3992K
WIL150-8856K
—
—
—
WIL15E-6100K
—
—
—
Billet/Forged Narrow Superlite
7416
—
WIL15B-6705K
—
WIL150-9415K
WIL150-14772K
WIL150-12244K
—
—
—
—
Superlite 6 and Forged S/L
7420
WIL15A-5938K
WIL15B-5939K
WIL150-8854K
—
WIL150-14773K
WIL150-12245K
WIL15E-6084K
WIL15H-8114K
WIL15Q-6829K
—
GN II, GN III, ST
7520
WIL15A-5736K
WIL15B-3993K
—
—
WIL150-14774K
—
—
—
—
—
Billet Dynapro Lug Mount
7812
WIL15A-9835K
WIL15B-9836K
WIL150-9136K
—
WIL150-14775K
WIL150-12247K
WIL15E-9837K
—
—
—
Billet Dynapro Narrow Mount
7816
WIL15A-7263K
WIL15B-7264K
WIL150-8946K
WIL150-9419K
WIL150-14776K
WIL150-12248K
WIL15E-7266K
—
—
WIL150-14346K
PAD TYPES
D52
7320
812 TRACK
CIRCLE 2021-22
D154 6617
7416 7420
6712 6812
7520 7812
7112
7816
