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OS 21XR-B Nitro Engine

O.S. Engine 21XR-B .21 Nitro Engine

OS 21XR-B Nitro Engine
O.S. Engines has an affordable new .21 8th scale buggy race engine called the XR-B. The XR-B was designed to put out good power at a reasonable price point, yet can be upgraded as yours skills improve. Some of its features and specifications include-

* A blue-anodized aluminum head keeps the engine cool under harsh conditions
* Simple, adjustable carb features easy tuning
* Shares the same basic layout as the ultimate high-performance 21XZ-B engine
* Can be upgraded with 21XZ-B parts
* Displacement: 0.213 cu in (3.49 cc)
* Bore: 0.641 in (16.27 mm)
* Stroke: 0.661 in (16.8 mm)
* Practical RPM Range: 4,000-40,000
* Output: 2.4 hp @ 33,000 rpm
* Weight: 13.1 oz (370 g)
* Part #OSMG2055

Street price for the XR-B is $230 and they should hit hobby shop shelves in a couple of weeks. Hit up THIS link for more information on the XR-B, and hit THIS link for more O.S. Engine news right here on BigSquidRC.

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Posted by in New Products, O.S. Engines on Tuesday, March 5th, 2013 at 3:07 pm

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