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O.S. Engines 12XZ ABC 12F Slide Engine

OS 12XZ Looks like O.S. Engines has a new version of their popular OS 12XZ. The newly designed O.S. 12XZ ABC 12F Slide Engine is setup to max out low to mid speed torque. It has a new crankshaft, new connecting rod, and port improvements.
If you are looking for a new engine, OS is always at the top of my list.

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Posted by in O.S. Engines on Monday, July 27th, 2009 at 2:16 pm