Works with all 1/10 & 1/8 scale Redcat Racing Nitro Models

This works with Vertex .16 and .18, and SH .18 and .21 nitro engines

Does not work with O.S. .21 engine included  with Earthquake 3.5 for a few years(Black Head), if your Earthquake 3.5 has a blue heatsink head then this is compatible.

Includes everything pictured above

70111T, 1800mAh Battery, Battery Charger, 11011h12 backing plate, 11012h14 backing plate & starter wand