Front Control Arm Components

A worn or damaged ball joint sleeve compromises suspension geometry and handling precision—exactly what you can't afford on track or in demanding street applications. The U-B Ball Joint Sleeve 40-3303 delivers the durability and straightforward...

A quality ball joint sleeve is critical for maintaining precise suspension geometry and eliminating unwanted play in your front-end assembly. The U-B 40-3301 is engineered as a weld-on solution, offering a permanent, load-rated connection that won't...

Ball joint wear is one of the most common suspension failures that compromise steering precision and vehicle safety. The U-B Ball Joint Sleeve Tall 40-3300-137 is a direct-replacement screw-in design that restores proper articulation and eliminates play...

A worn or damaged ball joint sleeve compromises suspension geometry and introduces dangerous play in your steering and suspension linkage. The U-B Ball Joint Sleeve 40-3300 is a direct replacement that restores precise articulation and eliminates slop,...

Caster adjustment is critical for dialing in your suspension geometry, and the U-B Caster Slug gives you precise, repeatable control without fabrication. Whether you're fine-tuning street alignment or optimizing track geometry, this .500-inch offset slug...

Fine-tune your vehicle's front-end geometry with precision caster adjustment. This aluminum caster slug allows you to dial in the exact caster angle your setup demands, whether you're chasing lap times or dialing in street performance. A simple, bolt-on...

Caster angle directly impacts steering response, tire wear, and high-speed stability—making proper setup critical for both track performance and street handling. The U-B Caster Slug allows precise caster adjustment on slotted upper control arms, letting...

Precision caster adjustment is fundamental to dialing in your vehicle's alignment and handling characteristics, and the U-B Caster Slug Zero Offset delivers exactly what you need for slotted upper control arms. This aluminum slug allows you to fine-tune...

Caster adjustment is critical for achieving proper wheel alignment and predictable handling characteristics on the track or street. The U-B Caster Slugs allow you to dial in the exact caster angle your setup demands by providing multiple offset positions...

When your upper control arm takes a beating on the track or trail, a compromised ball joint plate can introduce play in your suspension geometry—degrading handling precision and accelerating wear on adjacent components. This OEM-quality replacement plate...

If you're running Joes slotted upper control arms, this A-arm slug is essential for dialing in your caster geometry with precision. The slotted design allows you to fine-tune caster angle without fumbling through multiple fabrication steps, saving you...

Fine-tuning your suspension geometry is critical for consistent handling and tire wear across varying track conditions. This A-Arm Slug Kit lets you dial in precise caster adjustments without swapping entire control arms, saving time and money during...

Precision caster alignment is critical for consistent handling and tire wear, especially in high-performance applications. The Joes A-Arm Slug 1/2 delivers reliable caster adjustment by integrating seamlessly with Joes slotted upper control arms,...

Precise caster adjustment is critical for dialing in your suspension geometry, and this A-Arm slug delivers the repeatability you need for consistent lap times. The 7/16-inch offset allows fine-tuned caster changes without requiring complete upper...

Precise suspension geometry is non-negotiable in competitive racing, and control arm caster adjustment directly impacts your vehicle's handling characteristics, tire wear, and on-track stability. The Joes A-Arm Slug 5/16 allows you to fine-tune caster...

Adjusting caster angle is critical for dialing in your suspension geometry—this A-Arm Slug gives you precise 1/4" offset control to fine-tune steering response and tire wear patterns. Whether you're chasing lap time consistency or correcting alignment...

Caster adjustment is critical for dial-in suspension geometry, and this aluminum slug delivers precise offset control for your slotted upper A-arms. The 3/16" offset gives you the fine-tuning capability to optimize steering response, tire wear, and...

Fine-tuning your vehicle's suspension geometry is critical for maximizing grip and consistency on the track. The Joes A-Arm Slug 1/8 is a precision caster adjustment spacer designed to work with Joes slotted upper control arms, allowing you to dial in...

Fine-tuning your suspension geometry requires precise caster adjustment, and the Joes A-Arm Slug-O delivers exactly that with repeatable, accurate positioning. This aluminum slug installs into Joes slotted upper control arms to dial in caster angles...

The control arm cross shaft is a critical suspension pivot point that directly impacts steering response, alignment stability, and overall chassis geometry. A worn or damaged shaft forces misalignment and unpredictable handling—especially problematic in...