O.S. Speed 12 TZ Spec II Competitive 1/10 Engine  [OS-11385]

O.S. Speed 12 TZ Spec II Engine for Competitive 1/10 Racing

For competitive 1/10 racing, the O.S. Speed 12 TZ Spec II provides a compact package tuned for steady power delivery and IFMAR compliance. It is intended for hobbyists who are comfortable with detailed setup and maintenance.

Construction Focused on Reliability and Cooling

The silicon-filled crankshaft inside the O.S. Speed 12 TZ Spec II helps reduce vibration and stabilise performance at high revs. The nine-fin aluminium cooling head and the two-piece turbo cylinder head with a magnesium outer shell enhance heat management during extended runs.

Supplied Accessories and Practical Notes

Included are the P7 glow plug and the 11HBS Slide Valve Carburetor, offering precise throttle control for on-road tuning. The box also contains a decal sheet, instruction manual, a 5.5mm carb reducer and a rubber ring to seal the exhaust.

The O.S. Speed 12 TZ Spec II suits experienced racers who need compact, race-grade performance in a 1/10 format. No warranty is provided, so it is best for users familiar with engine upkeep and tuning.