Estimated arrival: 10/05/2020 (If Ordered Today)
Out of stock at WILWOOD ENGINEERING as of 09/23/2020
Supplier has not provided any fitment data for this product.
|Shipping Note:||Standard Delivery|
We'll find it for you. Give us a call at 855.444.6872 and we'll source that discontinued or hard to find part.
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Muscle Cars & Classics always recommends professional installation of our products. Buyer assumes risk of damage caused by improper installation.
Quick-Silver / ST series W6AR/ST nickel plated forged billet calipers, with six Thermlock pistons, deliver championship proven performance with heavy duty stopping power and reliability for sustained high heat competition. W6AR/ST calipers incorporate race technology into a radial mount body design with widespread adaptability and an expanded rotor compatibility range from 12.19” to 15.00”, including track update options for all W6AR Big Brake kits. Thermlock pistons, high-temp seals, SRS bridge plates, and two-piece bleed screw assemblies are standard in all calipers. Four high-temp race only brake pad compounds in the 6617 pad type allow precise tuning of the brake response, friction requirements and temperature range for all types of high performance and competition applications.
The W6A/ST body is the product of FEA computer design and stress flow forging technology. FEA technology allows the designer to test the prototype in a computer environment to determine the optimal structural design within the dimensional parameters of the component. Stress flow forging produces a part with the internal grain structure of the metal aligned in the direction of the flow of the body contour. The results are a caliper with superior clamping efficiency and ultimate strength against fatigue, stresses, and distortion under load.
The performance of the W6A/ST is enhanced with SRS bridge plates, snap-ring locked pad retainer pins, recessed two-piece bleed screw assemblies and dampen mounted fluid transfer tubes. SRS bridge plates eliminate all bridge wear caused by pad gouging. The spring-loaded action of the plates also eliminates pad rattle. Snap ring clips lock the pad pins in place to provide positive retention and allow easy service without caliper removal. The bleed screws are recess mounted for protection against impact and debris. The fluid tubes are dampen mounted to protect them from fatigue or damage from vibration or debris.
Wilwood Engineering designs and manufactures high-performance disc brake systems. Since the company’s inception in 1977 by Bill Wood, we have developed a substantial matrix of brake components and engineering techniques that allow us to quickly and reliably create brake systems for almost any application. Our core ability is the rapid development of custom engineered brake systems using a combination of off-the-shelf and custom components. In addition to designing and manufacturing brakes for all types of competitive motor sports, Wilwood also manufactures brake systems and components for agricultural equipment, industrial applications, utility vehicles, snowmobiles, quads, motorcycles and military vehicles.
With headquarters in Camarillo, California, Wilwood employs approximately 250 people. We have on-shelf stock of more than 300 different brake calipers, 200 rotor designs, 100 master cylinder designs and a wide assortment of brackets, fittings, valves and brake lines. Our off-shelf brake calipers range in size from tiny calipers used on go-carts and light duty industrial equipment, to heavy duty original equipment brakes for the U.S. military Humvee.
Wilwood's engineering department uses the latest computer-aided design and manufacturing techniques in conjunction with finite element analysis, dynamic test and cycle test equipment, to find high-performance and reliability solutions for the most difficult braking tasks. Our extensive inventory of proprietary on-the-shelf components allow us to provide cost-effective solutions for unique brake applications.
Wilwood is ISO 9000 compliant and has extensive experience maintaining quality levels of 100ppm or less for original equipment manufacturers.
|Download Name||File Size|
|Parts & Accessories|
|Replacement Piston 1||200-7553|
|Bleed Screw Kit||220-6069|
|Replacement Piston 2||200-7556|
|Wear Plate L/H||300-5876|
|Wear Plate R/H||300-5876|
|Replacement Piston 3||200-7556|
|Brake Pad Specifications|
|Total Pad Volume (in³)||5.2|
|Total Pad Area (in²)||11.1|
|Brake Pad Type 1||6617|
|Piston 1 Bore (in)||1.62|
|Total Piston Area (in²)||4.04|
|Piston 2 Bore (in)||1.12|
|Piston 3 Bore (in)||1.12|
|Mount Side||Left Hand|
|Mount Hole Size(in)||0.45|
|Inlet Thread Size||1/8-27 NPT|
|Mount Position||Rear Mount|
|Mount Side||Left Hand|
|Colors & Finish|
|Piston Area (in²)||4.04|
|Rotor Width (in)||1.25|
|Pad Area (in²)||11.1|
|Pad Volume (in³)||5.2|
|Duty Rating & Material|
|Rotor Width (in)||1.25|
|Maximum Rotor Width (in)||1.28|
|Minimum Rotor Width (in)||1.10|
|Maximum Rotor Diameter(in)||15.00|
|Minimum Rotor Diameter(in)||12.19|
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