Overview
The FTX FORCE FC.18 Main Needle Valve Hub (FTX6170) is an essential replacement and upgrade component for owners of FTX nitro-powered RC cars in the UK. This precision-engineered spare part is designed specifically for the FTX FORCE FC.18 nitro engine, one of the most popular engines in the competitive nitro RC car scene. Whether you're maintaining your existing nitro RC engine, repairing wear and tear from regular use, or looking to optimise your engine's performance, this main needle valve hub is a critical component that directly influences your engine's fuel delivery and tuning capabilities. As a trusted UK RC retailer, RC Model Shop stocks genuine FTX spare parts to keep your nitro-powered RC vehicles running at peak performance.
Nitro RC cars demand precision engineering and quality spare parts to maintain their competitive edge. The needle valve hub is one of the most frequently maintained components in any nitro engine, as it controls fuel mixture and engine response. For serious nitro RC enthusiasts in the UK, having access to genuine replacement parts like this FTX6170 hub ensures your FC.18 engine continues to deliver reliable performance, whether you're racing competitively or enjoying weekend bashing. The FTX FORCE FC.18 engine is renowned for its durability and tuneability, and maintaining it with genuine FTX spares keeps it in top condition.
This main needle valve hub is part of FTX's comprehensive range of FC.18 engine spares, which includes cylinder heads, carburetors, crankases, pistons, and countless other components. By stocking these parts, RC Model Shop ensures that owners of nitro-powered FTX RC cars have reliable access to the components they need for maintenance, repair, and performance tuning without unnecessary delays or the frustration of sourcing parts from unreliable suppliers.
Key Features
- Genuine FTX Spare Part — This is an authentic FTX component manufactured to the same exacting standards as the original FC.18 engine, ensuring perfect compatibility and reliable performance with your nitro RC engine.
- Main Needle Valve Hub Design — The needle valve hub is responsible for precise fuel mixture control in your nitro engine, making this component essential for maintaining proper engine tuning and responsive throttle control during racing or recreational driving.
- Direct Replacement Component — Designed as a direct fit replacement for the FTX FORCE FC.18, this hub integrates seamlessly with your existing engine components without requiring modification or additional setup.
- Critical Engine Component — The needle valve hub works in conjunction with the main carburetor body and adjustment screws to control the air-fuel mixture, directly impacting engine start-up, idle quality, and overall performance characteristics.
- Essential for Engine Maintenance — Regular maintenance and occasional replacement of the needle valve hub keeps your FC.18 engine operating at optimal efficiency, preventing fuel flow issues and ensuring consistent engine response.
- Part of Comprehensive FC.18 Spare Range — This hub is one of many authentic FTX FC.18 spares available, allowing you to source all your engine maintenance components from a single trusted retailer.
Technical Performance
The FTX FORCE FC.18 Main Needle Valve Hub is a precision-machined component engineered to the highest standards expected in competitive nitro RC racing. The needle valve hub serves as the central control mechanism within the FC.18's fuel delivery system, working in conjunction with the main carburetor body (FTX6155), complete carburetor assembly (FTX6156), and adjustment screws (FTX6174) to regulate the precise fuel-to-air ratio necessary for optimal engine performance. The FC.18 engine platform is designed for drivers who demand reliability, tunability, and consistent performance across a wide range of driving conditions. The needle valve hub's construction ensures it can withstand the demanding conditions of nitro RC racing, where precise fuel metering is essential for maintaining stable idle speeds, smooth acceleration, and maximum throttle response. When combined with other critical FC.18 components such as the casting cylinder head (FTX6154), cylinder sleeve and piston assembly (FTX6158), and crankcase (FTX6152), this hub contributes to an engine system capable of delivering the high-performance output that UK nitro RC competitors expect. The hub's design allows for fine adjustment of the main needle valve, enabling drivers to dial in the perfect fuel mixture for their specific racing conditions, whether that's outdoor track racing, off-road bashing, or competitive events.
What's in the Box
- 1x FTX FORCE FC.18 Main Needle Valve Hub (FTX6170)
What You Need to Complete
- Existing FTX FORCE FC.18 engine or compatible assembly
- Basic tools for engine maintenance (small wrenches and screwdrivers)
- Nitro fuel and glow plug battery for engine operation
Frequently Asked Questions
- What is a needle valve hub and why is it important for my nitro RC engine? — The needle valve hub is a critical component of your FC.18's fuel delivery system that controls how much fuel flows into the engine's combustion chamber. By adjusting the main needle valve, you can fine-tune your engine's fuel mixture for optimal performance. A worn or damaged needle valve hub can result in poor idle quality, difficult starting, or inconsistent throttle response, making it one of the most frequently serviced components in nitro racing.
- Is this needle valve hub compatible with all FTX FC.18 engines? — Yes, the FTX6170 is specifically designed as a replacement part for the FTX FORCE FC.18 engine and provides direct compatibility with FC.18 engines and assemblies. Always ensure you're replacing the correct component to avoid compatibility issues.
- How often should I replace my needle valve hub? — The needle valve hub is a wear item that may need replacement after extended racing or if you notice fuel delivery issues such as flooding, hard starting, or inconsistent idle. Regular inspection during routine maintenance can help identify when replacement is necessary.
- What other FC.18 spares are available at RC Model Shop? — RC Model Shop stocks a comprehensive range of FTX FORCE FC.18 spares including the composite carb main body (FTX6155), complete carburetor assembly (FTX6156), cylinder head (FTX6154), crankcase (FTX6152), piston and sleeve assemblies (FTX6158), fuel nipple (FTX6171), glow plug (FTX6163), and many other essential components.
- Can I install this needle valve hub myself? — Yes, installation is straightforward for owners with basic RC engine maintenance experience. However, if you're new to nitro RC or uncomfortable working on engines, we recommend consulting the FC.18 manual or visiting RC Model Shop in Walsall for professional assistance.
- What tools do I need to replace the needle valve hub? — You'll typically need small wrenches and precision screwdrivers suitable for fine engine work, along with basic RC maintenance tools. Our experienced team at RC Model Shop can advise you on the specific tools needed when you purchase this part.
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 FTX FORCE FC.18 Main Needle Valve Hub FTX6170 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: FTX
- Product Type: Nitro Engine Spare Part
- Model Number: FTX6170
- Component Type: Main Needle Valve Hub
- Engine Compatibility: FTX FORCE FC.18
- Material: Precision-engineered metal construction
- Function: Controls fuel mixture delivery in FC.18 engine
- Installation Type: Direct replacement component
- Related Components: Works with composite carb main body (FTX6155), complete carb assembly (FTX6156), casting cylinder head (FTX6154), crankcase (FTX6152), piston and sleeve assemblies (FTX6158), adjustment screws (FTX6174), fuel nipple (FTX6171)
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.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- 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.
