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

O.S. Engine Speed 12TZ Spec II AL
Price:
CAD$494.87
Brand:
O.S. Engine
Model:
OS-11387
Condition:
Brand New
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O.S. Speed 12 TZ Spec II - Proven 1/10 Competition Engine

The O.S. Speed 12 TZ Spec II engine is a dominant choice for 1/10 scale RC racing. Built to meet IFMAR specifications, this unit focuses on delivering repeatable performance and tight throttle control for club and national level events. Its reputation for reliability makes it a go-to for racers chasing consistent lap times.

Engineered Precision at High RPM

Central to the Speed 12 TZ Spec II is the pilot crankshaft, tuned to support high engine speeds and efficient combustion. The construction balances toughness with refined tolerances so components work together to sustain strong power output without unnecessary wear.

Made for Competitive Racers

O.S. Engines designed the 12 TZ Spec II specifically for drivers who demand race-ready performance. The engine's layout favors top-end speed and responsiveness, and buyers should note that it is supplied without a warranty, reflecting its race-focused specification.

Reliable Power for Track Use

For racers prioritising acceleration and stable performance under load, the Speed 12 TZ Spec II delivers. Its throttle response and cooling characteristics help prevent fade during extended runs, keeping lap times consistent across heats.

Specifications

  • Type: 1/10 Scale Racing Engine
  • Crankshaft: Pilot Crankshaft
  • Compliance: Meets IFMAR Specifications

The O.S. Speed 12 TZ Spec II suits experienced drivers aiming for competitive results in 1/10 scale racing. Its focused design rewards careful setup and tuning at the track.

Yes, the O.S. Speed 12 TZ Spec II is built to IFMAR standards and performs well at club events, though it is aimed at experienced competitors who can tune and maintain it.
The pilot crankshaft improves rotational stability and lets the engine sustain higher RPM safely, which translates to stronger top-end speed and smoother throttle response.
This model is provided without a warranty. It is a race-oriented product that assumes the owner has the skills to maintain and tune it for competition.
The engine excels in 1/10 scale on-road and touring car competition where high RPM and steady power delivery are required.

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