Combo 321 Extreme Worlds Ed 16% Nitro Xline (PB)

REDS 321 ESTREMO WORLDS EDITION

Born to compete at the highest level.

The REDS 321 Estremo Worlds Edition is a limited edition developed from the 321 Estremo platform ?winner of the 2026 EFRA 1/8 Off-Road European Championship alongside Juan Carlos Canas Carrasco?.

Designed for the most demanding competition conditions, the Worlds Edition combines performance, thermal management, reliability, and consistency, incorporating exclusive components specifically created for high-level competition.

WORLDS EDITION HEAD

The exclusive "Worlds Edition" head has been developed to optimize engine temperature management, especially in high ambient temperature conditions and during prolonged runs.

A more stable operating temperature helps maintain consistent tuning and performance throughout the race, while also improving the overall reliability of the engine and the repeatability of its behavior.

2143 XONE WORLDS EDITION EXHAUST ? OXD TREATMENT

The engine is paired with the special 2143 XONE Worlds Edition exhaust system, which features the exclusive OXD surface treatment.

The OXD treatment provides greater wear resistance, deterioration, and high operating temperatures, helping the exhaust maintain its original characteristics over time.

Additionally, this treatment contributes to better management of exhaust gas temperatures, enhancing engine performance and optimizing the overall efficiency and consistency of the engine-exhaust system.

RECOMMENDED CONFIGURATION

Exhaust: 2143 XONE Worlds Edition OXD

Venturi: 6 mm (Buggy) / 7 mm (Truggy)

Clutch: Tetra-X ? 4 aluminum shoes, medium configuration

Glow Plug: REDS TS3

TECHNICAL SPECIFICATIONS

- Category: 1/8 Buggy and Truggy

- Displacement: 3.5 cm³

- Diameter: 16.4 mm

- Stroke: 16.4 mm

- Intake Ports: 3

- Exhaust Ports: 1

- Front Bearing: 7×19×6 with a single high-performance seal

- Rear Bearing: 14×25.4×6 ? high durability ceramic bearing with 9 balls

- Carburetor Type: VLX3-A aluminum with long needle

- Venturi Diameter: 7.0 mm (optional venturi sizes: 6.0 mm and 8.0 mm; carburetor body: 9.0 mm)

- Crankcase Cover: AirBoost with DLC coating

- Crankshaft: With DLC coating and two tungsten counterweights

- Weight: 345 g

Not compatible with exhausts, collectors, crankcase covers, gaskets, piston/cylinder/connecting rod assemblies, or spring sets from the S Line.

BASED ON A WINNING PLATFORM. DEVELOPED FOR THE MOST DEMANDING CONDITIONS. READY FOR THE WORLD CHAMPIONSHIP.