Hardrace Pillow Ball Rear Trailing Arm V2 2006-2013 WRX / 2008-2013 STI/Forester / 2009-2014 Legacy/Outback | High-Density Steel | Rear Trailing Arm
Overview
The Hardrace Pillow Ball Rear Trailing Arm V2 is a precision-engineered suspension component designed to enhance rear-end stability and handling for a broad range of Subaru models, including the WRX, WRX STI, Forester, Legacy, and Outback from 2004 to 2014. This rear trailing arm replaces the factory unit with a stronger, more durable alternative that improves chassis rigidity and control during aggressive driving and cornering. It is ideal for Subaru enthusiasts seeking to upgrade their suspension for spirited street driving or track use without compromising reliability.
Constructed from unique high-density steel and treated with an electro-deposition (ED) coating process, this trailing arm offers superior strength and corrosion resistance compared to OEM parts. The inclusion of premium pillow ball bushings reduces deflection and enhances suspension precision, delivering a more direct and responsive feel. Hardrace’s commitment to quality and durability ensures this component withstands the rigors of high-speed driving and harsh conditions while maintaining OEM-level fitment and finish.
For Subaru owners, upgrading to the Hardrace Pillow Ball Rear Trailing Arm V2 means improved rear suspension geometry and stability, which translates to better traction and confidence through corners. This upgrade is particularly beneficial for WRX and STI drivers who push their cars on winding roads or track days, as well as Forester, Legacy, and Outback owners looking to tighten up rear-end handling without sacrificing comfort. The direct bolt-on design ensures a straightforward installation and seamless integration with existing suspension components.
Features & Specifications
This Hardrace Pillow Ball Rear Trailing Arm V2 is engineered for Subaru WRX, STI, Forester, Legacy, and Outback models from 2004 to 2014 and features high-density steel construction with pillow ball bushings. Constructed from ultra-strong steel with an electro-deposition coating, it delivers enhanced stability and durability for Subaru enthusiasts seeking improved rear suspension performance and chassis control.
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Brand: Hardrace
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Product: Pillow Ball Rear Trailing Arm V2
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Part Number: HR-8819
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Fitment: 2004-2008 Forester, 2005-2009 Legacy, 2006-2007 WRX, 2008-2010 STI, 2008-2010 WRX, 2009-2013 Forester, 2009-2014 Outback, 2010-2014 Legacy, 2011-2014 STI, 2011-2014 WRX
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Material: High-density steel
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Finish: Electro-deposition (ED) coated and painted
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Construction: Welded steel with pillow ball bushings
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Origin: Not specified
Key Benefits
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Durability: High-density steel and ED coating provide long-lasting corrosion resistance and strength.
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Handling Precision: Pillow ball bushings reduce deflection for sharper rear suspension response and improved cornering stability.
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Fitment: Direct OEM replacement ensures perfect fitment across multiple Subaru platforms without modification.
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Chassis Stability: Enhances rear suspension rigidity, improving traction and driver confidence during high-speed maneuvers.
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Quality: Manufactured with premium materials and processes to meet the demands of performance-oriented Subaru enthusiasts.
What's Included
- 2× Hardrace Pillow Ball Rear Trailing Arm V2
- Premium pillow ball bushings pre-installed
- Installation instructions
Installation & Compatibility
Installation of the Hardrace Pillow Ball Rear Trailing Arm V2 is generally straightforward for those with basic mechanical skills and standard hand tools. It is a direct bolt-on replacement for the factory rear trailing arms, requiring no welding or fabrication. However, due to the use of pillow ball bushings, some alignment adjustments are recommended after installation to ensure optimal suspension geometry and tire wear. Professional installation is recommended if you are unfamiliar with suspension work or lack alignment equipment.
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Professional Installation: Recommended for best results
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Modifications Required: None; direct OEM replacement
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Verify Compatibility: Confirm fitment for your specific Subaru model year and trim before purchase
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