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

O.S. Speed 12 TZ Spec II - Race Focused 1/10 Powerplant

The O.S. Speed 12 TZ Spec II is engineered for 1/10 scale competition where precise power delivery matters. Built to IFMAR specification, this engine is aimed at racers who want reliable high-RPM behaviour on event day.

Precision Components for Strong Revving

A pilot crankshaft sits at the centre of the Speed 12 TZ Spec II, helping the unit rev cleanly and maintain stability at high engine speeds. The design emphasises robust assembly and repeatable performance under race conditions.

Specifically Built for Competition

O.S. Engines crafted the 12 TZ Spec II to meet the expectations of competitive drivers. Its focus is speed and sensitivity to tuning inputs, and it is provided without warranty to reflect its purpose-built nature.

Responsive and Durable on the Track

When properly set up, the Speed 12 TZ Spec II offers sharp throttle response and minimal performance fade, making it dependable across multiple heats and longer running sessions.

The O.S. Speed 12 TZ Spec II is recommended for seasoned competitors and tuners seeking a high-RPM, race-ready engine for 1/10 scale classes.