Traxxas Caster Blocks C-Hubs with Kingpin Bushings Suspension Spares TRX8332

Overview

The Traxxas Caster blocks (C-Hubs) and kingpin bushings represent essential suspension components for maintaining your RC car's handling characteristics and steering geometry. These genuine Traxxas spare parts are designed to keep your 1/10 scale RC vehicle performing at its peak, whether you're a dedicated weekend basher enjoying RC car action on UK terrain or a competitive racer pushing your machine to the limit. Caster blocks are critical suspension components that control the angle of your front wheels in relation to the steering axis, directly affecting how your RC car responds to steering inputs and how it tracks through corners.

If you're experiencing handling issues, worn steering response, or loose front-end geometry in your Traxxas 4TEC 3.0, replacing your caster blocks and kingpin bushings is one of the most effective maintenance upgrades you can perform. This two-piece set comes with everything you need to restore your suspension to factory specifications, ensuring consistent, predictable handling whether you're driving at high speed or navigating technical courses. RC enthusiasts and serious hobbyists across the UK understand that suspension maintenance is not optional—it's the foundation of great handling and extended vehicle lifespan.

Traxxas has built a reputation for precision engineering and quality spare parts that stand up to intense use. These caster blocks and kingpin bushings are manufactured to exacting tolerances, ensuring they integrate seamlessly with your existing suspension geometry and maintain the proper steering feel that Traxxas engineers designed into the 4TEC 3.0 platform. Whether you're replacing worn components or building a fresh suspension setup, these genuine parts deliver the reliability and performance that discerning RC car UK enthusiasts expect.

Key Features

• Genuine Traxxas Components — These are authentic Traxxas spare parts manufactured to the same precision standards as the original equipment, ensuring perfect fitment and consistent performance across your RC vehicle's suspension geometry and steering response.
• Two Caster Blocks (C-Hubs) Included — The set contains two caster blocks, providing the complete front-end pair needed to maintain symmetrical suspension geometry on both sides of your RC car for balanced handling and predictable steering.
• Four Kingpin Bushings Included — Kingpin bushings provide the pivot points for your caster blocks, and this set includes four bushings—enough to fully service both front caster blocks and ensure smooth, wear-free steering articulation and responsive turn-in.
• Suspension Maintenance Essentials — Caster blocks and kingpin bushings are wear items that deteriorate through regular use; replacing them restores factory-specification suspension geometry and eliminates play in the steering system for crisp, accurate control.
• Compatible with Traxxas 4TEC 3.0 Chevrolet Corvette Stingray — These parts are specifically engineered for the Traxxas 4TEC 3.0 platform, ensuring they match the exact geometry and specifications of this precision 1/10 AWD supercar, whether your model is finished in Black or Silver.
• Easy Installation — Designed as drop-in replacement components, these caster blocks and bushings integrate directly into your existing suspension without modification, making them ideal for home maintenance and tuning.

Technical Performance

Caster blocks, commonly called C-Hubs, are fundamental suspension components that define the steering axis angle and front-wheel geometry of your RC car. The caster angle—the forward or backward tilt of the steering axis—directly affects steering response, stability at high speed, and how your vehicle recovers from cornering. When kingpin bushings wear out, they create slack in the steering system, resulting in inconsistent handling, delayed steering response, and unpredictable behaviour on technical courses. The Traxxas Caster blocks featured in this set are precision-machined from durable materials to maintain tight tolerances even under the stress of high-performance driving. The kingpin bushings included in this four-piece set are engineered to provide a smooth, wear-resistant pivot point for your caster blocks, eliminating play while allowing full range of steering articulation. For RC car enthusiasts in the UK pushing their vehicles on outdoor terrain or indoor tracks, fresh suspension components like these are critical to maintaining the precise handling characteristics that the Traxxas 4TEC 3.0 platform is engineered to deliver. These suspension upgrades are particularly important if you've noticed increased steering slack, inconsistent turn-in response, or uneven tyre wear patterns—all signs that your caster blocks and kingpin bushings may be due for replacement.

What's in the Box

• Caster blocks (C-Hubs) — 2 pieces
• Kingpin bushings — 4 pieces

Frequently Asked Questions

• What are caster blocks and why do I need to replace them on my RC car? — Caster blocks, also called C-Hubs, are suspension components that hold your front steering knuckles and define the caster angle of your RC car's steering axis. Through regular use and impacts, caster blocks can wear, crack, or develop play in their kingpin bushing pivots, which degrades steering response and handling precision. Replacing them restores factory geometry and eliminates slack from your steering system, making your RC car track straighter and respond more predictably to steering inputs.
• Will these caster blocks fit my Traxxas 4TEC 3.0? — Yes, these Traxxas Caster blocks (C-Hubs) with kingpin bushings are specifically designed for the Traxxas 4TEC 3.0 Chevrolet Corvette Stingray, available in both Black (TRX93054-4-BLK) and Silver (TRX93054-4-SLVR) variants. They are engineered to match the exact suspension geometry of the 4TEC 3.0 platform and install without modification.
• How do I know if my caster blocks need replacing? — Signs that your caster blocks and kingpin bushings may need attention include loose or sloppy steering response, a clunking sound when the steering is turned fully lock-to-lock, inconsistent handling, or visible cracks or damage to the plastic caster block components. If you've experienced a hard impact or crash, inspecting your caster blocks should be part of your post-incident maintenance checklist.
• Are these genuine Traxxas parts or aftermarket alternatives? — These are genuine Traxxas spare parts (part number TRX8332) manufactured to original equipment specifications. Authentic Traxxas components ensure perfect fitment with your 4TEC 3.0 and maintain the suspension geometry that Traxxas engineers have tuned for optimal performance and handling balance.
• Do I need any special tools to install these caster blocks and kingpin bushings? — Installation typically requires basic RC hobby tools including hex drivers and possibly a small wrench for suspension fasteners, depending on your specific 4TEC 3.0 configuration. Detailed installation instructions are available from Traxxas, and many RC enthusiasts perform this maintenance at home as part of regular vehicle maintenance and tuning.
• How often should I replace caster blocks and kingpin bushings? — The lifespan depends on driving intensity and conditions, but kingpin bushings wear more quickly than the caster blocks themselves. If you're an active basher driving regularly on UK terrain, you may want to replace kingpin bushings annually or sooner if you notice steering slackness. Caster blocks typically last longer but should be inspected regularly for cracks or damage.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Traxxas Caster blocks (C-Hubs) (2 pcs) / kingpin bushings (4 pcs) TRX8332 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.