Page 709 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog
P. 709
2020 DRAG RACING
DynaPro Forged Billet Calipers Polymatrix Brake Pads
Lug-mount, DynaPro (DP) calipers combine Wilwood friction pads are
existing race technology with added performance manufactured for drag
enhancements. Rigid calipers are forged from racing. In general, soft,
premium billet aluminum and are engineered to deliver exceptional braking. sticky pads that work best in
Quick-E-Clip pad retainers allow easy pad service. Use 7812 type pads. “SI” a low to medium temperatures
signifies side inlet. are best suited for drag and pro
Piston Rotor Bleed Screw Sq. Ring Body street cars. Medium pads can handle high
Part No. Dia. Thickness Kit 4-Pc. Kit 4-Pc. Seal temperature extremes and wear longer without fade.
WIL120-9691 1.75" 1.25" WIL220-0627 WIL130-2655 WIL210-2582
WIL120-9693 1.75" .810" WIL220-0627 WIL130-2655 WIL210-2582 Polymatrix “B” Compound
WIL120-9693-SI 1.75" .810" WIL220-0627 WIL130-2655 WIL210-2582 A race-only, medium-high friction brake compound with good cold response.
WIL120-9695 1.75" .380" WIL220-0627 WIL130-2655 WIL210-2582 The friction curve gently rises as temperature increases. A long-wearing pad
WIL120-9703 1.38" .810" WIL220-0627 WIL130-2658 WIL210-2582
in middle temperature ranges with moderate wear in sustained high-heat
DynaPro Single Billet Calipers conditions. When high mile-per-hour fade has occurred with lower temp
Lightweight two-piston calipers are rigid for superior pads, this is the pad to use.
braking power. DynaPro (DPS) calipers include Polymatrix “E” Compound
multiple bleed fittings to allow right or left, front or rear Designed for drag cars with iron or steel brake rotors. Medium friction
mounting, and may be used with .190" or .380" thick rotors. Quick-E-Clip compound delivers the best overall wear characteristics in the medium
pad retainers allow quick, easy brake pad service. Use 6812 type pads. temperature range, offering smooth engagement, consistent response, and
Piston Rotor Bleed Screw Sq. Ring Body a flat torque curve throughout the range.
Part No. Dia. Thickness Kit 4-Pc. Kit 4-Pc. Seal
WIL120-9689 1.75" .380" WIL220-0627 WIL130-2655 WIL210-2582 Polymatrix “Q” Compound
WIL120-9689-LP 1.75" .190" WIL220-0627 WIL130-2655 WIL210-2582
“Q” compound is an enhanced friction ceramic that reduces dust and noise,
Caliper Shims and improves stopping power through smooth engagement and increased
fade resistance. Compound recovers quickly and lasts a long time.
Use to adjust calipers for proper clearance with
the rotors. Sold in packs of ten. BP-10 “Smart Pads” Compound
Part No. Description A street/strip compound that combines low dust and noise with the
WIL240-4384 0.032" Thick, 3/8" ID Hole, Ten increased friction of a semi-metallic racing compound. Characteristics
WIL240-4385 0.032" Thick, 7/16" ID Hole, Ten
WIL240-4386 0.063" Thick, 7/16" ID Hole, Ten include good low to middle-temperature wear rates, smooth engagement,
WIL240-4387 0.015" Thick, 7/16" ID Hole, Ten consistent response, and a flat torque curve throughout temperature range.
Polymatrix Polymatrix Polymatrix BP-10
Caliper Bolt Description “B” “E” “Q” “Smart Pads”
WIL230-0542 GM D52, WIL15B-3994K WIL15E-6102K — WIL150-8939K
GM II/III
Sliding-type bolts for GM style cal i pers. The 7/16"-
14 bolt is sold individually. GM Metric D154 WIL15B-3998K WIL15E-6103K — WIL150-8936K
Dynalite WIL15B-3991K WIL15E-6096K WIL15Q-6824K WIL150-8850K
Billet Spot — — — WIL150-1251K
Caliper Fit tings
DynaPro Single WIL15B-9819K WIL15E-9820K WIL15Q-10144K WIL150-v
Quality caliper fit tings are de signed to fit and work the DynaPro
first time. Lug Mount WIL15B-9836K WIL15E-9837K — WIL150-9136K
Part No. Description WIL220-0627 Superlite WIL15B-3992K WIL15E-6100K — WIL150-8856K
WIL220-0627 Bleed Screw Assembly, Pack Of Four
WIL220-0628 Tube Adapt, Pack Of Four
Rotor Bolt Kits WIL220-0628
Bolt kits for fastening rotors to disc mounting hats.
WIL230-0150 WIL230-0233D
Part No. Description
Socket Head, Threaded Rotors,
WIL230-0150
(8) 5/16"-24 x .750"
Short Profile Hex, Drag Race Rear Axle Kits Using Thru Bolt Hat,
WIL230-0233D
(8) 5/16"-18 x .750"
Photo by: Ashley Kindle
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