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REDS 521 Sport Buggy .21 Engine - 5 Port

REDS 521 Sport Buggy .21 Engine - 5 Port

Brand: REDS

Part No: REDENBU0027

£257.29 RRP £276.66
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The REDS 521 Sport Buggy .21 Engine - 5 Port (part number REDENBU0027) blends innovation, build quality and dependable performance at a mid-range price point. Part of the REDS Racing S LINE, it is assembled in-house and 100% made in Italy to deliver reliable power, tuning stability and strong fuel economy for demanding buggy applications.

Key Features

  • 5-port design for a smooth, controllable power band with impressive fuel mileage.
  • Aluminium GEN2 carburettor for reliability and consistent tuning across changing conditions.
  • Improved insulator bushing made from aerospace-grade, ultra high strength polymer.
  • Double grab screw joint link on the carburettor to simplify servo linkage positioning.
  • High-stiffness, pressure die-cast crankcase using a specialised aluminium alloy for strength and durability.
  • New piston and sleeve materials aimed at long-lasting performance and efficient combustion.
  • Every engine is hand inspected and compression checked by Mario Rossi to meet high quality standards.

Performance And Build

Engineered for dependable racing performance, the 521 Sport focuses on stable tuning, easy drivability and efficiency. The state-of-the-art die-cast crankcase increases stiffness, while refined porting and materials selection help deliver good power with excellent fuel economy. The aluminium GEN2 carburettor further enhances reliability and makes setup straightforward.

Tuning And Suggested Compatibility

  • REDS recommends pairing this engine with original REDS pipes, manifolds and optional parts for optimal performance.
  • Suggested compatibility: REDS 2143 pipe and M manifold.

Whether you are stepping into the REDS range or looking for a dependable race-focused upgrade, the REDS 521 Sport offers a compelling balance of performance, quality and value. With meticulous in-house assembly and attention to detail, it brings the characteristics racers expect from REDS in a versatile 5-port buggy engine.

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The perfect combination of inovation, high quality and great performance at a mid range street price. This new engine belongs to Reds Racing S LINE together with 721 Scuderia, Superveloce and Corsa, a new range of engines produced with different materials, from different suppliers and with new technologies. All assembled in-house and 100% made in Italy. WHAT’S INSIDE The new engine features high reliability, tuning stability and fuel mileage. Combined with specific technical changes in the porting and new materials, this 5 port engine features good power and fuel efficiency. 521 Sport guarantees excellent performance at a reasonable price. ALUMINUM CARBURETOR 521 Sport engine has been provided with the same aluminum carburetor as 721 engines to guarantee reliability and tuning stability.The insulator bushing has been improved with aerospace grade ultra high strength polymer. Furthermore, the new GEN2 carburetor features a double grab screw joint link to facilitate positioning and fitting with the any servo link layout. DIE CASTING STATE OF THE ART REDS Racing 521 Sport features a new and unique high stiffness crankcase design.The crankcase is produced with a high quality pressure die casting process and special alluminum alloy developed by REDS Racing engineers to guarantee higher stiffness and strenght. 5 PORTS TECHNOLOGY REDS Racing 521 SPORT features new materials for piston and sleeve. Thanks to the new 5 ports technology the new engine guarantees really good fuel mileage and smooth power band at the same time. DIE CASTING STATE OF THE ART REDS Racing 721 Superveloce Pro features a unique high performance crankcase design. The crankcase is produced with a high quality pressure die casting process and special alluminum alloy developed by REDS Racing engineers to guarantee higher stiffness and strenght. HANDMADE, TUNED AND ASSEMBLED Every single engine is hand inspected and compression checked inside REDS Racing headquarters by Mario Rossi to achieve the highest quality standards. It is recommendable to match the new engine only with REDS Racing original pipes, manifolds and optional parts. We advise using REDS 2143 pipe and M manifold

TECH SPECS.

Key Info:

  • Brand: REDS
  • Part No: REDENBU0027
  • Barcode: 761000969352
  • Displacement: 3.5cc (0.21ci)
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