O.S. Engine OS-1A20A B21 TY2 Race-Ready Combo Set  [OS-1A20A]

Race-capable engineering in the O.S. Engine OS-1A20A B21 TY2

The O.S. Engine OS-1A20A B21 TY2 Combo Set brings focused nitro performance to 1/8 scale RC models. O.S. Engine products are valued by racers for their predictable delivery and durable construction, and this combo is designed to support competitive driving where consistent output matters.

Engine design for controllable performance

The OS-1A20A B21 TY2 emphasises stable throttle characteristics and repeatable tuning. Precision assembly and tuning options make it easier to achieve consistent lap times and improve handling through incremental setup changes.

Effective cooling and tuned exhaust flow

A dedicated high-efficiency cooling head paired with a tuned exhaust helps manage operating temperatures and airflow. Together these features reduce thermal drift and assist in keeping power delivery steady across multiple heats.

Perfect for seasoned racers and dedicated tuners

This combo suits experienced hobbyists who are comfortable with nitro engines and enjoy fine-tuning performance. Routine inspections and correct fuel use will help the OS-1A20A B21 TY2 maintain reliability under regular competitive use.

For racers focused on setup and repeatability, the O.S. Engine OS-1A20A B21 TY2 Combo Set provides the core performance and thermal control needed for serious track work.