Losi Shock Shaft Piston Kit Rear Nutted for 5IVE-T MINI WRC Z-LOSB2872

Overview

The LOS Nutted Shock Shaft & Piston Kit for the Losi 5IVE-T and MINI WRC is an essential suspension upgrade for RC enthusiasts looking to improve their vehicle's handling and longevity. Whether you're a seasoned RC competitor or a weekend basher enjoying your RC car UK adventures, this genuine Losi replacement kit delivers the precision engineering needed to keep your shock absorbers performing at their peak. The shock system is crucial to how your RC buggy or truck responds on any terrain, and when wear occurs, upgrading to quality OEM parts ensures your investment continues to perform flawlessly.

This nutted shock shaft and piston assembly is engineered specifically for the Losi 5IVE-T 1/5 scale and MINI WRC platforms, two of the most respected names in ready to run RC buggies and rally trucks. Losi has built a reputation for precision manufacturing, and this suspension component exemplifies that commitment to quality. The kit combines innovative locking mechanism design with premium materials to deliver a shock system that works more smoothly and lasts longer than standard alternatives.

If you're maintaining a competitive RC car UK setup or simply want to restore your vehicle to factory performance standards, this is the genuine part you need. Available through RC Model Shop, an authorised Losi retailer, you can purchase with confidence knowing you're getting authentic OEM components backed by the manufacturer's engineering expertise.

Key Features

• Lock Nut Secure Design — A precision-engineered lock nut securely holds the piston to the shock shaft, preventing unwanted movement and ensuring consistent suspension geometry that translates directly to better handling and predictable vehicle behaviour on track or off-road.
• Delrin Piston Construction — The pistons are manufactured from Delrin, a premium engineering polymer that provides tighter tolerances to the shock body, resulting in a better wearing component that resists degradation and allows the shock to function smoothly through countless runs.
• Improved Shock Smoothness — The combination of tighter tolerances and the locking mechanism means your shocks operate with minimal friction and binding, delivering more responsive suspension action that translates to better traction, faster cornering and improved overall vehicle stability.
• Longer Component Life — By using high-quality Delrin pistons with precision fit, these shock shafts and pistons resist wear far better than standard alternatives, extending the service life of your suspension system and reducing the frequency of maintenance and replacement.
• OEM Genuine Quality — This is an authentic Losi factory part, engineered and manufactured to the exact specifications of your 5IVE-T or MINI WRC, ensuring perfect fitment and performance consistency that aftermarket alternatives simply cannot guarantee.
• Suspension Performance Enhancement — Upgrading your shock system with these precision components directly impacts how your RC buggy or truck handles acceleration, braking and cornering, making this a worthwhile investment for anyone serious about their RC hobby.

Technical Performance

The shock shaft and piston assembly represents a critical component of your Losi 5IVE-T or MINI WRC suspension system. Unlike basic rubber or plastic bushings, the Delrin material used in these pistons offers superior engineering properties including excellent chemical resistance, low friction characteristics and dimensional stability across temperature ranges you'll encounter during outdoor RC car UK sessions. The locking nut mechanism ensures that as your shock compresses and extends thousands of times, the piston remains perfectly aligned with the shock shaft, preventing the micro-movements that cause premature wear and loss of suspension feel. The tighter tolerances between piston and shock body are critical to reducing air gaps and ensuring the suspension fluid flows smoothly through the piston orifices, which directly affects damping response. This engineering attention to detail is what separates genuine Losi parts from inferior aftermarket alternatives. For 1/5 scale buggy and truck enthusiasts, suspension reliability is paramount — whether you're competing in time trials, enjoying weekend bashing, or running technical rock crawling courses, a properly functioning shock system keeps your vehicle planted and responsive. The precision fit of these components ensures minimal deflection during cornering and acceleration, maintaining consistent ride height and spring preload characteristics that were engineered into your vehicle. Build quality is evident in every aspect of this kit, from the machining precision of the shaft to the moulding consistency of the Delrin piston, reflecting Losi's commitment to delivering parts that meet competition-grade standards.

What's in the Box

• Rear nutted shock shaft
• Rear shock piston (Delrin material)
• Lock nut

Frequently Asked Questions

• What is the difference between a nutted shock shaft and a standard shock shaft? — The nutted design includes a lock nut that secures the piston to the shaft, preventing it from moving or loosening during use. This is superior to standard designs because it maintains perfect alignment and reduces wear, especially in high-performance applications like buggy racing or aggressive bashing.
• Why is Delrin the right material for shock pistons? — Delrin is an engineering-grade polymer that offers excellent wear resistance, low friction and tight dimensional tolerances. These properties allow the piston to fit precisely in the shock body, reducing deflection and ensuring consistent damping response through every compression and extension cycle.
• How often should I replace my shock shafts and pistons? — Under normal use, these components should last many months before requiring replacement. However, if you notice your shocks leaking, feeling sluggish, or your vehicle handling becoming unpredictable, it's time to replace them. Competitive racers and heavy bashers may replace shocks more frequently than casual users.
• Will this kit fit my Losi 5IVE-T and MINI WRC? — Yes, this is an authentic Losi OEM part specifically engineered for both the 5IVE-T 1/5 scale buggy and the MINI WRC rally truck platform. Fitment is guaranteed to be perfect, and you'll achieve proper suspension geometry and performance characteristics.
• Do I need any special tools to install this shock shaft and piston? — Basic RC hobby tools are needed, including a wrench to secure the lock nut and a shock tool to remove your existing shocks. If you're unfamiliar with suspension work, we recommend consulting your vehicle's instruction manual or seeking guidance from experienced RC enthusiasts.
• Is this suitable for beginners? — Whilst shock replacement is not a beginner-level task, it is an important maintenance skill for anyone serious about RC cars. If you're new to RC, we recommend having an experienced hobbyist help with your first suspension maintenance to ensure everything is installed correctly.
• What makes genuine Losi parts better than aftermarket alternatives? — Genuine OEM parts are engineered and tested specifically for your vehicle platform, ensuring perfect fitment, consistent performance and reliability. Losi's engineering team designs every component to work in harmony with your vehicle's suspension geometry and tuning characteristics, something aftermarket manufacturers cannot guarantee.

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 LOS Nutted Shock Shaft & Piston Kit, Rear: 5IVE-T, MINI WRC Z-LOSB2872 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.

We want to make sure your delivery goes smoothly, so here are some important details about our service:

• For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
• Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
• Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
• If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
• We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
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• If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
• For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.