O.S. Speed 12 TZ Spec II Competition 1/10 Engine  [OS-11387]

O.S. Speed 12 TZ Spec II - Competition Grade 1/10 Engine

The O.S. Speed 12 TZ Spec II is a competition-minded engine for 1/10 scale RC racing. Manufactured to IFMAR standards, it targets drivers who need consistent power and predictable handling at speed during races.

Fine-Tuned for High Revving

The pilot crankshaft is a focal point of the Speed 12 TZ Spec II, tuned to support elevated rev ranges and smoother operation. The engine is assembled with a focus on component harmony to deliver sustained power through a race.

Optimised for Racing Conditions

O.S. Engines intended the 12 TZ Spec II for serious competition, producing an engine that responds well to setup changes and track tuning. Note that it comes without a warranty, reflecting its specialist race orientation.

Consistent Output Under Load

When dialled in, the Speed 12 TZ Spec II provides reliable throttle control and resistance to overheating, helping drivers keep pace across multiple heats without sudden performance drops.

The O.S. Speed 12 TZ Spec II is best suited to experienced racers and tuners aiming for competitive results in 1/10 scale classes.