O.S. Engine OS-13880 21XZ-R On-Road Performance Engine  [OS-13880]

O.S. Engine OS-13880 21XZ-R OS Speed On-Road Engine
Price:
AUD$595.81
Brand:
O.S. Engine
Model:
OS-13880
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Power and Control from the O.S. Engine 21XZ-R

The O.S. Engine OS-13880 21XZ-R is aimed at on-road racers who want a durable, performance-focused engine. Built to handle frequent track sessions, it offers a strong blend of power, response and tunability.

Built for Strong Acceleration and Smooth Response

Core components in the 21XZ-R are designed for efficient combustion and repeatable output. The high-performance carburetor aids in achieving a clean throttle curve and the lightweight design helps the car respond quickly to driver inputs.

Competitive Edge with Practical Tuning

In its class the 21XZ-R is noted for consistent results and accessible tuning steps. Racers can make incremental adjustments to suit different track layouts, making it a reliable option across seasons of club competition.

Specifications

  • Type: On-Road Engine
  • Carburetor: High-Performance
  • Construction: Lightweight and Durable
  • Suitable For: Competitive Racing

O.S. Engine OS-13880 21XZ-R is a practical high-performance choice for drivers chasing both speed and consistent behaviour. Its engineering supports focused setup work and regular race use.

Yes, the 21XZ-R accepts traditional tuning changes such as needle adjustments and pipe selection to suit varying track length and grip levels.
After intense sessions inspect the carburetor, glow plug and moving parts. Regular cleaning and compression checks will help maintain peak performance.
The engine's responsive midrange and top end work well with cars that rely on aerodynamic grip, allowing precise throttle modulation out of corners.
Begin with a standard nitro blend used by your club and adjust based on running temperature and throttle response. Use quality fuel for consistent results.
The 21XZ-R is intended for typical on-road layouts. Check your chassis clearance and mount pattern to ensure proper fitment before installation.

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