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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
Aero6 Radial Mount
The new Aero6-ST forged six-piston caliper offers powerful braking for road or track. It incorporates race technology into a wide-adaptability body design. Radial mounting, multiple piston volume options, and a rotor diameter range from 12.88" to 15.00" give it the versatility to meet all types of high-power braking requirements. The new Aero4 is the latest innovation in the W4A/W6A caliper series. It has been redesigned with internal fluid ports that eliminate external fluid crossover tubes and the massive center bridge assembly. Equipped with Thermlock piston technology and Wilwood's Type III anodized finish. Utilizing the new 0.80"-thick 6620 pad plate, Aero6-ST calipers offer extended pad life for high-heat endurance racing. The Aero series body is stress-flow forged from a premium aluminum alloy billet. Stress-flow forging realigns the metal's internal grain structure to flow within the contour of the caliper body. This process eliminates stresses and interruptions in the internal grain structure that occur when machining a straight billet. The result is a caliper with superior clamping efficiency and maximum strength against fatigue, stress, and deflection under load. class="Gray11B">6
Rotor Dimensions
| Rotor Width (in) | 1.25 |
| Rotor Diameter (in) | 15.00 |
Pad Dimensions
| Pad Area (in²) | 11.1 |
| Pad Volume (in³) | 6.6 |
Use and Material Rating
| Material | Forged Aluminum |
| Weight (lbs) | 7.1 |
Colors and Finish
| Color | Anodized |
| Finish | Type III Anodize |
Mounting
| Mounting Center (in) | 7.09 |
| Mounting Position | Mount Side | Left |
| Mount Type | Radial |
Specifications
Rotor Compatibility
| Rotor Width (in) | 1.25 |
| Max Rotor Width (in) | 1.28 |
| Min Rotor Width (in) | 1.10 |
| Max Rotor Diameter (in) | 15.00 |
| Min Rotor Diameter (in) | 12.19 |
Brake Pad Specifications
| Brake Pad Type 1 | 6620 |
| Brake Pad Type 2 | N-A |
| Brake Pad Type 3 | N-A |
| Total Pad Area (in²) | 11.1 |
| Total Pad Volume (in³) | 6.6 |
| Mount |
Piston Specifications
| Piston Diameter 1 (in) | 1.62 |
| Piston Diameter 2 (in) | 1.12 |
| Piston Diameter 3 (in) | 1.12 |
| Total Piston Area (in²) | 4.04 |
Mounting Specifications
| Mount Type | Radial |
| Mount Side | Left |
| Mounting Center (in) | 7.09 |
| Mounting Hole Size (in) | 0.45 |
| Mounting Height (in) | 2.09 |
| Inlet Thread Size | 1/8-27 NPT |










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We have spent years building cars, racing, and testing the exact same parts that we sell.
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We test before we recommend.
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Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
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