Traxxas TRX-4 Chassis Conversion Kit Long to Short Wheelbase TRX8058

Overview

The Traxxas Chassis Conversion Kit, TRX-4 (Long to Short Wheelbase) TRX8058 is an essential tune-up option for TRX-4 enthusiasts who want to transform their crawler's handling characteristics and overall performance. Whether you're running a Chevrolet K10 Cheyenne, Ford F-150 Ranger, Chevrolet K5 Blazer, Nissan Pathfinder, or Land Rover Defender in your RC collection, this conversion kit opens up a whole new dimension of trail-driving enjoyment. Converting your TRX-4 from a long wheelbase to a short wheelbase configuration dramatically improves manoeuvrability in tight spaces, increases ground clearance for extreme obstacles, and enhances the vehicle's ability to climb steep terrain. This is the ideal upgrade for RC car enthusiasts in the UK who want to push their crawlers to their limits without purchasing an entirely new rig.

The TRX8058 is engineered by Traxxas, a name synonymous with quality and innovation in the RC hobby world. This conversion kit represents the manufacturer's commitment to giving owners the flexibility to adapt their vehicles to different driving scenarios and terrain challenges. Whether you're basking on technical trails, tackling rock gardens, or competing in organised crawler events across the UK, this chassis conversion delivers the performance upgrade you need. The kit has been designed with meticulous attention to detail, ensuring that every component integrates seamlessly with your existing TRX-4 platform and maintains the legendary durability that Traxxas is known for.

RC enthusiasts who have invested in a TRX-4 crawler understand the value of modularity and customisation. This conversion kit empowers you to completely reconfigure your vehicle's stance and wheelbase geometry without replacing the entire chassis. For serious RC hobbyists, weekend bashers, and trail runners alike, the ability to switch between long and short wheelbase configurations means you can optimise your setup for different locations, weather conditions, and driving styles. Ready to run RC trucks are great, but having the ability to modify and fine-tune them like professional-grade competition vehicles sets the TRX8058 apart as a must-have upgrade for the dedicated crawler community.

Key Features

• Shorter Suspension Links — The conversion kit includes revised upper and lower rear suspension links that have been specifically shortened to accommodate the reduced wheelbase configuration, maintaining proper geometry and ride quality whilst enabling the vehicle to navigate tighter turning radiuses and access areas previously unreachable with the longer setup.
• Short Female Half Shaft — A shortened half shaft is included in the kit, which is essential for maintaining proper drivetrain geometry and articulation when converting to the short wheelbase platform, ensuring smooth power delivery without binding or excessive wear on drivetrain components.
• Revised Inner Fenders — Front and rear inner fenders have been redesigned to match the new wheelbase geometry, preventing tyre rub during extreme articulation and compression whilst maintaining the professional appearance of your crawler regardless of which configuration you choose to run.
• Dedicated Battery Tray — A purpose-designed battery tray is included to ensure optimal weight distribution and secure battery mounting in the short wheelbase configuration, which is critical for maintaining balanced handling characteristics and preventing battery shift during intense off-road driving.
• Complete Hardware Package — Four 3x8mm FCS (Flat Cap Socket) screws are included, providing the fasteners needed to secure components during the conversion process, ensuring everything is properly assembled and ready for immediate trail action.
• Universal TRX-4 Compatibility — This conversion kit is compatible with a comprehensive range of TRX-4 models, from the Chevrolet K10 Cheyenne High Trail Edition (available in Black, Metallic Silver, Metallic Blue, Red, and Metallic Copper finishes) to the Ford F-150 Ranger XLT High Trail Edition, the 1972 Chevrolet K5 Blazer High Trail Edition, the 1979 Chevy Blazer with Clipless Body, the Nissan Pathfinder SE-V6 3S, the 2021 Ford Bronco (in Orange, Black, Red, and White), the Land Rover Defender with Clipless Mounting (in Red, Silver, Green, and Sand), and the unassembled TRX-4 chassis kit, making this a flexible investment for owners with multiple TRX-4 builds.
• Professional-Grade Engineering — Manufactured by Traxxas with the same quality standards and attention to detail found in their entire product range, this conversion kit represents engineering excellence that will withstand the demands of aggressive trail driving and competitive crawler events across the UK.

Technical Performance

The Traxxas Chassis Conversion Kit TRX8058 is engineered to provide a complete transformation of your TRX-4's wheelbase geometry and performance characteristics. Converting from a long to short wheelbase configuration fundamentally alters how the vehicle responds to terrain, improves its approach and departure angles for extreme obstacles, and enhances its ability to manoeuvre through confined spaces that would be difficult or impossible with the original long wheelbase setup. The kit's engineering ensures that suspension geometry remains optimally tuned throughout the full range of articulation, preventing binding and maintaining consistent handling across various trail conditions. The shortened suspension links have been calibrated to work in harmony with the TRX-4's proven independent double-wishbone suspension system, and the revised battery tray placement maintains the centre of gravity in the ideal position for balanced weight distribution. The inclusion of the short female half shaft is critical because drivetrain geometry directly affects articulation limits and the vehicle's ability to maintain power delivery during extreme flex situations. Every component in this kit has been designed with Traxxas's engineering expertise, ensuring that your conversion will deliver both immediate performance benefits and long-term durability. The combination of shorter links, revised fenders, and repositioned battery tray creates a more nimble, responsive crawler that excels in technical terrain whilst maintaining the robust build quality and reliability that makes the TRX-4 platform one of the most respected crawlers in the UK RC market.

What's in the Box

• Rear upper suspension links (shortened)
• Rear lower suspension links (shortened)
• Front inner fenders (revised for short wheelbase)
• Rear inner fenders (revised for short wheelbase)
• Short female half shaft
• Battery tray (redesigned for short wheelbase configuration)
• 3x8mm FCS screws (quantity: 4)

Frequently Asked Questions

• Is the Traxxas Chassis Conversion Kit suitable for beginners? — This conversion kit is not a product for absolute beginners but is ideal for RC enthusiasts who already own a TRX-4 and have basic mechanical knowledge of how to perform maintenance and upgrades. If you're comfortable changing tyres, adjusting suspension, or replacing servos on your RC crawler, you'll find the conversion straightforward. However, if you've never worked on an RC vehicle before, we recommend learning the basics first or having an experienced RC friend assist you with the installation.
• What TRX-4 models is this conversion kit compatible with? — The TRX8058 is compatible with an extensive range of TRX-4 models including all variants of the Chevrolet K10 Cheyenne High Trail Edition, the Ford F-150 Ranger XLT High Trail Edition, the 1972 Chevrolet K5 Blazer High Trail Edition, the 1979 Chevy Blazer with Clipless Body, the Nissan Pathfinder SE-V6 3S, the 2021 Ford Bronco in all colour variants, the Land Rover Defender with Clipless Mounting in all colours, and the unassembled TRX-4 chassis kit. Before purchasing, confirm that your specific TRX-4 model is listed in the compatibility section to ensure perfect fitment.
• How much does a short wheelbase TRX-4 improve off-road performance? — Converting to a short wheelbase provides several significant performance advantages: the vehicle becomes considerably more manoeuvrable in tight spaces and technical terrain, the shorter wheelbase improves approach and departure angles making it better at climbing steep obstacles, ground clearance is enhanced for navigating rock gardens and extreme terrain, and the overall vehicle becomes more responsive to driver inputs. The specific benefits you'll notice depend on where you drive, but most UK trail runners report improved performance in technical rock crawling and confined areas.
• Do I need any tools to install this conversion kit? — The source information does not provide specific tool requirements. We recommend checking the manufacturer's installation guide or contacting our expert team at RC Model Shop for detailed installation advice before purchasing, as having the correct tools will ensure a smooth conversion process.
• Can I switch back and forth between long and short wheelbase? — Yes, that's one of the primary advantages of this conversion kit. Once you understand the conversion process, you can switch between configurations depending on where you're driving and what challenges you're tackling. Some UK crawler enthusiasts keep both sets of components so they can easily swap between configurations without needing to reinstall everything each time.
• What is the difference between this chassis conversion and buying a new TRX-4? — This conversion kit is significantly more cost-effective than purchasing an entirely new vehicle, and it allows you to maintain all your existing electronics, motor setup, and customisations whilst transforming your vehicle's handling characteristics. The kit represents an economical way to expand the capabilities of your current TRX-4 collection and is perfect for enthusiasts who want maximum versatility from their existing investment.

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. 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 Chassis Conversion Kit, TRX-4 (Long to Short Wheelbase) TRX8058 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction.