O.S Engine 1A20C Speed B21 Adam Drake Edition - Precision Nitro Engine  [OS-1A20C]

Compact Powerhouse: OS Engine 1A20C Speed B21

The OS Engine 1A20C Speed B21 delivers compact, race-oriented power for car and buggy pilots. Its design focuses on consistent torque and controllable throttle feel to help deliver predictable lap times.

Engineered for Consistency

The OS Engine 1A20C Speed B21 uses a slide-valve carburetor and an efficient cooling arrangement to stabilise combustion under heavy running. The build supports repeatable performance so racers can make small setup changes with confidence.

Adaptable Tuning for Different Conditions

Whether you are on a tight technical track or a faster layout, the Speed B21 allows fine adjustments to match conditions. Its compatibility with many chassis makes it a straightforward swap for racers who test multiple cars.

Simple Care to Maintain Performance

Regular checks of the glow plug and carburetor settings plus cleaning the intake system will keep the Speed B21 responsive and extend service intervals between major maintenance.

The OS Engine 1A20C Speed B21 combines manageable power and durability, making it a good fit for serious hobbyists and racers who want reliable on-track performance.