A revised version of OS’s popular 91 pumped engine has just become available!

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VJ product is bringing out a new F3C muffler specifically designed for the OS 91HZ engine for competition  use. Currently still in the pre-production stage, the company has posted that performance of the new muffler is pleasing. It gives consistent performance and brings out the power in the upstairs(it says up in the air, which I assume stands for the [...]

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Hatori has released the new SB 20 pipe!

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As some of you may know, Align had great success bundling their popular T-rex 600 NSP package to include an Align-labeled OS50SXH hyper engine. In fact it seems that they sold so many of these packages that they ran short of the Align-branded engines and are now packaging the standard OS-branded models. Hoping to continue [...]

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If you thought the above title is old news of the recently released 91HZ or Align 90 size engines, then you are wrong. If you thought OS is done with their PS (pump) system on their heli-engine…again…you are wrong. This new variant of the 91HZ has been equipped with the O.S. PD-08 pump and regulator system. [...]

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Its has been released to the mass market, which means you can now buy a OS 91HZ in a OS box with the OS label, instead of the Align version. 

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