Overview
The Fastrax 1/8th Manifold Exhaust Seals (2) FAST954 are essential maintenance components for nitro-powered RC cars and trucks running 1/8th scale engines. These replacement seals are designed to maintain a reliable seal between the engine manifold and exhaust pipe, preventing exhaust gas leakage that can compromise engine performance and efficiency. Whether you're a serious nitro racer, a weekend basher, or an experienced RC enthusiast in the UK, having quality replacement exhaust seals on hand is crucial for keeping your nitro RC engine running at its best.
Exhaust seals are a consumable part that inevitably wear over time due to the extreme heat and pressure cycling of the nitro combustion process. When these seals deteriorate, you'll notice performance degradation, potential fuel leaks, and loss of power from your engine. The Fastrax brand is recognised throughout the RC hobby for producing reliable, cost-effective spare parts that keep your RC cars performing at peak efficiency. This pack contains two seals, giving you spare coverage for multiple maintenance cycles or allowing you to service both sides of your engine setup if needed.
If you're running a nitro-powered 1/8th scale RC buggy, truggy, or off-road truck and want to maintain optimal engine performance, these Fastrax manifold exhaust seals are an affordable and practical solution. RC Model Shop stocks genuine Fastrax parts, ensuring you get authentic components that will fit correctly and perform reliably.
Key Features
- Pack of Two Seals — This product includes two replacement exhaust seals, providing either redundancy for a single engine or enough spares to service multiple engines or maintenance intervals without needing to reorder.
- 1/8th Scale Compatibility — These seals are specifically engineered for 1/8th scale RC engines, ensuring a perfect fit and proper seal integrity between the manifold and exhaust pipe on your nitro-powered RC vehicle.
- Engine Manifold Specific — Designed to seal the critical junction between the engine manifold and exhaust system, these seals prevent exhaust gas escape which would otherwise reduce engine efficiency and performance.
- Genuine Fastrax Brand — Fastrax is a trusted manufacturer in the RC hobby, and these seals meet the quality standards expected by serious RC enthusiasts throughout the UK and beyond.
- Affordable Maintenance Solution — At just £3.99, these replacement seals represent an economical way to maintain your nitro engine and avoid more costly repairs caused by poor sealing and gas leakage.
Technical Performance
The Fastrax 1/8th Manifold Exhaust Seals are engineered to withstand the harsh operating environment of nitro RC engines, where temperatures can exceed 200°C and pressure cycling is constant. These seals must maintain their elasticity and sealing properties despite repeated thermal expansion and contraction cycles that occur during normal engine operation. The material composition is designed to resist fuel permeation, heat degradation, and oxidation — all common failure modes for inferior quality seals. By replacing your exhaust seals when they show signs of wear, you'll maintain proper back-pressure in the engine exhaust system, which is critical for optimal carburetor tuning, fuel atomisation, and overall power delivery. Fastrax has engineered these seals to fit precisely on 1/8th scale engines, ensuring compatibility with popular models and preventing fitment issues that can occur with generic or ill-fitting seals. Regular replacement of exhaust seals as part of your routine engine maintenance schedule will extend overall engine life and keep your nitro RC car or truck running at peak performance.
What's in the Box
- 2 × Fastrax 1/8th Manifold Exhaust Seals
Frequently Asked Questions
- What is a manifold exhaust seal and why do I need one for my 1/8th scale nitro RC engine? — The manifold exhaust seal is a small but critical component that creates an airtight seal between the engine manifold and the exhaust pipe. Over time, this seal degrades due to heat, pressure, and fuel exposure. When it wears out, exhaust gases leak into the engine area, reducing performance, affecting fuel delivery accuracy, and potentially causing fuel to escape. Replacing these seals regularly is essential maintenance for any nitro RC car or truck owner.
- How often should I replace my exhaust seals on my RC nitro engine? — The frequency depends on how much you run your engine, the engine type, and your tuning practices. Most serious nitro racers and bashers replace exhaust seals every few months or after 20-30 hours of runtime, whichever comes first. These Fastrax seals are sold in packs of two, allowing you to perform maintenance on multiple occasions or keep spares readily available.
- Will these seals fit my 1/8th scale RC buggy or truck? — Yes, these Fastrax 1/8th Manifold Exhaust Seals are specifically designed for 1/8th scale nitro engines. However, engine designs vary by manufacturer, so it's recommended to verify compatibility with your specific engine model before ordering. Fastrax seals are widely compatible with popular 1/8th engines used in RC off-road vehicles.
- How do I know when my exhaust seals need replacing? — Signs that your seals need replacement include visible exhaust gas leakage, a drop in engine performance or top speed, difficulty with carburetor tuning, or fuel leaking from the manifold area. If you notice these symptoms, inspect your seals and replace them if they appear cracked, hardened, or discoloured.
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 Fastrax 1/8th Manifold Exhaust Seals (2) FAST954 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.
- Brand: Fastrax
- Model Number: FAST954
- Product Type: Engine Manifold Exhaust Seals
- Scale: 1/8th
- Quantity: 2 seals per pack
- Application: 1/8th scale nitro RC engines
- Category: Nitro engine spares, manifold and exhaust components
- Availability: In stock
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.
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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.