When it comes to upgrading the suspension components of the Toyota 4Runner, the choice of upper control arms (UCAs) can make a significant difference in performance, durability, and ease of maintenance. After replacing my SPC Upper Control Arms with JBA Upper Control Arms (UCAs), I am impressed with the quality, functionality, and the engineering that went into the making of JBA UCA's. Here is my comprehensive review of the JBA UCAs for the 4Runner: Build Quality and Strength One of the standout features of the JBA UCAs is their superior strength and durability. Constructed from heavy-duty steel, these UCAs are designed to withstand the rigors of off-road adventures and challenging terrains. The robust build provides enhanced confidence during high-stress situations, such as aggressive trail driving or navigating rough, uneven terrain. Compared to the SPC UCAs, the JBA UCAs feel noticeably more solid, giving a reassuring sense of reliability. Design and Engineering JBA's attention to detail in design is evident in several aspects: 1. Angled Ball Joint Design: The unique angled design accommodates greater suspension articulation, ensuring optimal alignment and tire contact patch during off-road flexing. 2. High-Quality Ball Joint: The ball joint used in the JBA UCAs is both durable and precision-engineered, contributing to smoother handling and better suspension performance. 3. Greaseable Joints: One of the most practical features of the JBA UCAs is the ability to grease both the ball joint and bushings. This design significantly improves the longevity of the components and ensures consistent performance, even in harsh conditions. Regular maintenance is simplified, reducing long-term wear and tear. Performance Enhancements After installation, I immediately noticed a marked improvement in handling and ride quality. The JBA UCAs provide better alignment angles, which are especially beneficial for lifted 4Runners. The enhanced caster correction improves steering response and high-speed stability, making both highway driving and off-road exploration more enjoyable. Maintenance Benefits The greaseable design of the JBA UCAs cannot be overstated. Unlike some UCAs that require disassembly for maintenance, the grease fittings on the JBA UCAs allow for quick and easy lubrication. In my opinion this feature should not only extend the life of the components but should ensure that they remain functional under extreme conditions, such as muddy trails or dusty environments. Installation The installation process was straightforward, with all necessary components and instructions provided. The UCAs fit perfectly on my 2022 4Runner, and I appreciated the precision engineering that eliminated any guesswork during the installation. Final Thoughts The JBA Upper Control Arms are a worthwhile upgrade for any 2022 Toyota 4Runner owner looking to enhance their vehicle's suspension performance and durability. Whether you are an off-road enthusiast or simply want a more reliable setup for your daily drive, the JBA UCAs deliver exceptional value. Pros: - Superior strength and durability - Greaseable ball joint and bushings for extended lifespan - Enhanced alignment angles and performance - Easy installation Cons: - Slightly higher price point, but totally justified by the quality and features! II am extremely happy I made the choice to get JBA UCA’s. In conclusion, the JBA Upper Control Arms are a game-changer for 4Runner suspension systems. Their combination of strength, design, and performance enhancements make them an investment that I am sure will pay off both on and off the trail. I highly recommend the JBA UCAs to anyone looking for a reliable and high-performing upgrade for their 4Runner.