O.S. 28XZ Truggy Engine
O.S. Engines have released this high end truggy motor called the .28XZ which produces great low-end torque with incredibly smooth power delivery. The .28XZ comes with all the components serious racers need for fine-tuning to meet any conditions like, 2 carb inserts – a 9 mm blue for higher rpm applications and larger tracks, and an 8 mm red for smaller tracks that restrict air intake. An extra copper head shim is also included for more head raising/lowering options. The piston sleeve boasts 6 ports for significantly increased power.
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