Description
The SuperPro Heavy-Duty Upper Trailing Arm Adjustable Kit (sprTRC498) is designed to improve rear suspension geometry, durability, and handling for select Toyota FJ Cruiser, Toyota 4Runner, and Lexus GX460 applications. This adjustable upper trailing arm set provides a wide range of adjustment to help dial in wheelbase and pinion angle, making it suitable for vehicles requiring suspension geometry correction and enhanced off-road capability.
Featuring SuperPro's high-articulation lifetime bushings, this setup combines off-road durability with on-road refinement. The adjustable design allows suspension geometry to be fine-tuned for improved ride quality and vehicle capability.
The arms can be adjusted off the vehicle for pinion angle correction, with an adjustment range from 302 mm minimum to 337 mm maximum. This range provides flexibility for suspension setup and geometry adjustments.
Key Features
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Heavy-duty adjustable upper trailing arm assembly.
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Designed for rear suspension applications.
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Wide adjustment range for wheelbase and pinion angle correction.
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Off-vehicle adjustment for pinion angle correction.
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Minimum adjustment length: 302 mm.
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Maximum adjustment length: 337 mm.
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High-articulation lifetime bushings.
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Combines off-road durability with on-road refinement.
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Helps fine-tune suspension geometry for ride quality and vehicle capability.
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Wheel alignment required after installation.
Product Specifications
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Brand: SuperPro
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Part Number: sprTRC498
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Product Type: Upper Trailing Arm – Adjustable Arm Assembly
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Installation Position: Rear
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Installation Difficulty: Moderate
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Estimated Installation Time: 4 hours
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Wheel Alignment Required: Yes
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Adjustment Method: Off-vehicle adjustment
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Minimum Adjustment Length: 302 mm
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Maximum Adjustment Length: 337 mm
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Bushing Type: High-articulation lifetime bushings
Detailed Vehicle Fitment
Lexus GX460
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2010–2023 Lexus GX460 Base – 4.6L V8, 4608cc.
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2023 Lexus GX460 Black Line Edition – 4.6L V8, 4608cc.
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2014–2023 Lexus GX460 Luxury – 4.6L V8, 4608cc.
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2010–2023 Lexus GX460 Premium – 4.6L V8, 4608cc.
Toyota 4Runner
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2023 Toyota 4Runner 40th Anniversary Edition – 4.0L V6, 3956cc.
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2003–2024 Toyota 4Runner Limited – 4.0L V6, 3956cc.
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2003–2009 Toyota 4Runner Limited – 4.7L V8, 4663cc.
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2020–2021 Toyota 4Runner Nightshade – 4.0L V6, 3956cc.
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2003–2009 Toyota 4Runner Sport – 4.0L V6, 3956cc.
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2003–2009 Toyota 4Runner Sport – 4.7L V8, 4663cc.
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2010 Toyota 4Runner SR5 – 2.7L L4, 2694cc.
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2003–2024 Toyota 4Runner SR5 – 4.0L V6, 3956cc.
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2003–2009 Toyota 4Runner SR5 – 4.7L V8, 4663cc.
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2018–2024 Toyota 4Runner SR5 Premium – 4.0L V6, 3956cc.
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2010–2016 Toyota 4Runner Trail – 4.0L V6, 3956cc.
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2021–2022 Toyota 4Runner Trail – 4.0L V6, 3956cc.
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2017–2024 Toyota 4Runner TRD Off-Road – 4.0L V6, 3956cc.
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2018–2024 Toyota 4Runner TRD Off-Road Premium – 4.0L V6, 3956cc.
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2015–2024 Toyota 4Runner TRD Pro – 4.0L V6, 3956cc.
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2022–2024 Toyota 4Runner TRD Sport – 4.0L V6, 3956cc.
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2020–2021 Toyota 4Runner Venture – 4.0L V6, 3956cc.
Toyota FJ Cruiser
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2007–2014 Toyota FJ Cruiser Base – 4.0L V6, 3956cc.
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2008 Toyota FJ Cruiser Trail Teams Special Edition – 4.0L V6, 3956cc.
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2007 Toyota FJ Cruiser TRD Special Edition – 4.0L V6, 3956cc.
Fitment verification note: The product title specifies 2010–2014 Toyota FJ Cruiser and 2010–2023 Toyota 4Runner, while the supplied application data also includes additional model years and Lexus GX460 applications. Verify compatibility with the manufacturer's current fitment catalog before listing or purchasing for applications outside the title's stated range.
Installation Information
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Installation Difficulty: Moderate
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Estimated Installation Time: 4 hours
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Installation Position: Rear
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Wheel Alignment: Required after installation
Professional installation is recommended to ensure proper adjustment of suspension geometry and pinion angle.
California Proposition 65 Warning
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
