These Cusco rear upper control arms are designed for specific Subaru models including the 2008 - 2025 WRX, 2008 - 2021 STI, 2013 - 2025 BRZ, and 2017 - 2025 Toyota 86. They offer a turn - buckle arm adjustment range of +15mm / -15mm, which is a 30mm range compared to stock. The control arms feature knuckle ball joints and rubber insert bushings. At a - 35mm lowered ride height, they come with a sample specification alignment range. The OEM arm rear camber is - 2.5°, and the maximum rear camber can reach - 7.5°. They are powder - coated in Cusco's signature blue finish. Professional installation takes about 1 hour, and wheel alignment is necessary. They are sold as a pair. By using these control arms, you can increase the vehicle track width properly, avoid issues like off - center loading and alignment swing arc, and enjoy a wider choice of wheel and tire widths while maintaining suspension performance.
Using these Cusco rear upper control arms is easy. First, have a professional install them, which should take about an hour. After installation, make sure to get a wheel alignment to ensure proper performance. When driving, you'll notice better handling and a wider choice of wheels and tires. For maintenance, regularly check the knuckle ball joints and rubber insert bushings for any signs of wear. If you see any issues, have them inspected by a professional. Keep the powder - coated blue finish clean by washing it regularly with mild soap and water. Also, be aware that using low - offset wheels can cause problems, but these control arms help mitigate those. Enjoy a smoother and more controlled ride with these high - quality control arms.
