This works with Vertex .16 and .18, and SH .18 and .21 nitro engines.
Includes everything pictured above. 70111T, 1800mAh Battery, Battery Charger, 11011h12 backing plate, 11012h14 backing plate & starter wand.
Does not work with O.S. .21 engine now included with Earthquake
3.5 (Black Head)
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