{"product_id":"enbu0044-reds-racing-321-estremo-x-line-copy","title":"REDS RACING COMBO 321 ESTREMO - X Line - with 2143 TORQUE XONE","description":"\u003ch3 itemprop=\"name\" class=\"product-details__product-title ec-header-h3\"\u003eREDS RACING COMBO 321 ESTREMO - X Line - with 2143 TORQUE XONE\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eReds Racing is enthusiastic to introduce an important evolution within its high-end off-road nitro engine lineup.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eAs part of this development, Reds Racing unveils a brand-new engine family called the X Line, which will run alongside the current flagship 721 Superveloce Gen5 – S Line Version 2026.\u003c\/span\u003e\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe new X Line debuts with the 321 ESTREMO™, a 3-port engine designed to offer a different driving character compared to the well-known 721 S Line platform.\u003c\/span\u003e\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe new 321 engine is manufactured in Japan and has been fully developed according to Reds Racing design, engineering, and testing specifications. Final assembly and tuning are carried out directly by Mario Rossi and Marco Rossi, ensuring the performance standards and precision expected from Reds Racing engines.\u003c\/span\u003e\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eA Collaboration Between Two Icons of RC Engine Technology\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe development of the new 321 ESTREMO™ represents an important collaboration between REDS Racing and one of the most respected companies in the RC engine industry, O.S. Engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eREDS Racing was founded by Mario Rossi, one of the most influential figures in RC engine history and co-founder of the legendary Novarossi brand since 1984. His decades of experience in high-performance racing engine design have helped shape some of the most successful engines ever produced.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eBy combining REDS Racing’s Italian racing engineering and development philosophy with the manufacturing expertise and precision of Japanese engineering, this project brings together the best of two worlds.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe result of this collaboration is a new engine platform designed to deliver outstanding performance, reliability, and drivability—an engine that represents the perfect blend of Italian racing passion and Japanese manufacturing excellence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eAdvanced 3-Port Engine Design\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eFrom a technical standpoint, the 321 features a 3-port configuration designed to deliver increased torque, resulting in a driving feel that differs significantly from the current 721 platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe cylinder and sleeve design has been developed starting from the classic Japanese 3-port architecture, well known for its simplicity, reliability, and strong torque characteristics. Reds Racing engineers further refined this concept by introducing additional internal flow channels designed to guide and optimize the air-fuel mixture movement inside the cylinder.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThese channels improve cylinder filling efficiency, enhancing the combustion process and increasing overall performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe cylinder is paired with an ultra-lightweight piston, specifically designed to reduce reciprocating mass. By minimizing the moving masses inside the engine, Reds Racing engineers were able to further improve engine responsiveness and maximize overall power output.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe result is a design that maintains the simplicity and drivability of a traditional 3-port engine, while incorporating advanced details that improve internal fluid dynamics and overall engine efficiency.\u003c\/span\u003e\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eOptimized Combustion Chambers\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eREDS Racing engineers also dedicated extensive development work to the combustion chamber design to guarantee consistent performance with different racing fuels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eTwo dedicated combustion chamber configurations have been developed, allowing the engine to perform optimally with both 25–30% nitro fuel and 16% nitro fuel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eEach combustion chamber has been specifically designed to perfectly match the characteristics of its respective fuel blend, ensuring the best balance of performance, reliability, and fuel efficiency under a wide range of racing conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eAirBoost™ Backplate\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eAnother key innovation featured on the new 321 engine is the REDS Racing AirBoost™ backplate, a true concentration of technology designed to further enhance engine performance and efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe AirBoost™ backplate has been engineered to increase mid-to-high RPM power, improve fuel efficiency, and provide a faster return to idle.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eIts internal design features two dedicated channels that direct the air-fuel mixture toward the rear section of the transfer ports, creating a supercharging effect that improves cylinder filling and significantly enhances engine power.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eIn addition, the AirBoost backplate is coated with a DLC (Diamond-Like Carbon) treatment, which reduces sliding friction between the connecting rod and the backplate. This advanced coating improves engine efficiency, reduces wear, and contributes to lower fuel consumption.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eEasy to Tune, Built to Win – 21J with Venturi XFlow™\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eTo guarantee extremely easy tuning and consistent performance on every track, the 321 ESTREMO features a carburettor based on the legendary O.S. Speed 21J, one of the most reliable and widely used carburettors in the RC racing world.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eREDS Racing engineers selected the proven 21J platform and further enhanced it with the Venturi XFlow™ system, designed to maximize airflow and improve carburetion stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThanks to its Ultra Short design, the Venturi XFlow™ optimizes the air intake path and allows the engine to breathe more efficiently. This results in faster throttle response, easier carburettor tuning, and stronger overall engine performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe Venturi XFlow™ is available in three sizes to adapt the engine to different track conditions and racing preferences:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003e6 mm – Maximum torque and improved fuel efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003e7 mm – Perfect balance between power and drivability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003e8 mm – Maximum airflow and top-end performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThis system ensures stable carburetion and precise throttle response, giving drivers the confidence needed to push the engine to its limits in any racing condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eREDS Ultra-Lightweight Cooling Head\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe REDS ultra-lightweight cooling head has been engineered to maximize heat dissipation while minimizing overall engine weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eIts optimized fin structure improves cooling efficiency and helps maintain stable engine temperatures even during demanding racing conditions, ensuring consistent performance during long finals and intense competition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eExtreme Durability and Precision Engineering\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe new engine integrates several advanced durability improvements designed to maximize performance and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eBoth the crankshaft and the backplate feature DLC (Diamond-Like Carbon) coating, a technology known for its exceptional hardness and extremely low friction coefficient.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThanks to this advanced treatment, the crankshaft durability can increase by up to three times compared to a conventional steel crankshaft, while also reducing internal engine friction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe reduced friction between the connecting rod and backplate also helps extend conrod life by approximately 50%, improving long-term reliability during demanding racing conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe crankshaft features a double-balanced design, while its internal geometry has been revised to improve both power characteristics and engine smoothness.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe engine crankcase has been manufactured according to the highest quality standards, ensuring excellent rigidity, perfect component alignment, and maximum durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eKey Technical Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003e3-port engine design focused on high torque output\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eAdvanced cylinder and sleeve design with optimized internal flow channels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eUltra-lightweight piston to reduce reciprocating mass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eREDS ultra-lightweight high-efficiency cooling head\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eAirBoost DLC-coated backplate for improved power and efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eDLC-coated crankshaft with double balancing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eCarburetor based on O.S. Speed 21J design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eVenturi XFlow™ intake system available in 6, 7, and 8 mm sizes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eTwo dedicated combustion chambers for 16% and 25–30% nitro fuels\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eTwo Engines, Two Racing Philosophies\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eWith the introduction of the 321 ESTREMO, Reds Racing now offers two distinct engine platforms designed to suit different track conditions and driving styles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan class=\"Q-E3F\"\u003eREDS 721 Superveloce\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003e7-port engine architecture\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eExceptional top-end speed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eOutstanding fuel efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eExtremely smooth and linear power delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eIdeal for high-speed tracks and European-style layouts\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan class=\"Q-E3F\"\u003eREDS 321 ESTREMO\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003e3-port engine architecture\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eStrong bottom-end torque and acceleration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eExcellent throttle response and drivability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eDesigned for technical tracks with big jumps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"Q-E3F\"\u003eIdeal for American-style layouts and demanding off-road conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"Q-E3F\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eTogether, the 721 Superveloce and the 321 ESTREMO give racers the possibility to choose the engine that best matches their track conditions, driving style, and racing strategy.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eWith the introduction of the X Line, Reds Racing expands its presence in the off-road racing segment, offering drivers a new engine platform designed to deliver a different performance philosophy alongside the established 721 S Line.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eThe 321 ESTREMO represents the perfect fusion of Italian racing engineering and Japanese manufacturing precision, setting a new benchmark for performance, drivability, and reliability in the world of off-road RC racing engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Category: 1\/8 Buggy and Truggy\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Displacement: 3.5 cm³\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Bore: 16.4 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Stroke: 16.4 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Inlet Ports: 3- Outlet Ports: 1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Front Bearing: 7×19×6 with single high-performance seal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Rear Bearing: 14×25.4×6 – 9 balls high-durability ceramic bearing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Carburettor Type: VLX3-A aluminium long needle\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Venturi Diameter: 7.0 mm (optional venturi sizes: 6.0 mm and 8.0 mm – carburettor body 9.0 mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Backplate: AirBoost DLC-coated backplate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Crankshaft: DLC-coated with two tungsten balancing weights\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Weight: 345 g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003cspan class=\"bHqri\"\u003eRecommended Accessories\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003eTo maximize the performance of your 321 Estremo™ engine, Reds Racing recommends pairing it with the following components:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Glow Plug: REDS \u003ca href=\"https:\/\/rchobbyzone.com.au\/products\/ts3?_pos=1\u0026amp;_sid=bc0c0adf1\u0026amp;_ss=r\" title=\"TS3 Glow Plug\" rel=\"noopener\" target=\"_blank\"\u003eTS3\u003c\/a\u003e or \u003ca href=\"https:\/\/rchobbyzone.com.au\/products\/ts4?_pos=1\u0026amp;_sid=96765347f\u0026amp;_ss=r\" title=\"TS4 Glow Plug\" rel=\"noopener\" target=\"_blank\"\u003eTS4\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Clutch System: \u003ca href=\"https:\/\/rchobbyzone.com.au\/products\/tetra-x?_pos=1\u0026amp;_sid=9394af57d\u0026amp;_ss=r\u0026amp;variant=46256863215803\" title=\"Tetra-X Clutch\"\u003eREDS TETRA-X Clutch System\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e- Fuel: \u003ca href=\"https:\/\/rchobbyzone.com.au\/collections\/offroad-car-fuel-race-blend\" title=\"Nitro Fuel\"\u003e16–30% nitro\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan class=\"Q-E3F\"\u003e\u003cstrong\u003e\u003cspan\u003eNot compatible with S Line Exhausts, manifolds, gaskets, piston\/sleeve\/conrod set and spring set.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"REDS Racing","offers":[{"title":"No Pre-Break In","offer_id":47553958936763,"sku":null,"price":695.0,"currency_code":"AUD","in_stock":true},{"title":"Pre-Break-In by Mario Rossi","offer_id":47553958969531,"sku":null,"price":755.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0336\/3641\/7581\/files\/ENBU0044combo.jpg?v=1773703652","url":"https:\/\/rchobbyzone.com.au\/products\/enbu0044-reds-racing-321-estremo-x-line-copy","provider":"RC Hobby Zone","version":"1.0","type":"link"}