Hobby King gear checkout the following; (click titles or pic to take you too the website link) There are 150AMP versions of both these ESCs but none at the USA warehouse so would have to order from else way causing delays oh and also a 160AMP version of the Turnigy. This setup should be awesome on 4s I have the 150AMP versions of the ESCs and they have worked awesome all the way to 6s but on 6s and 5s I use my MM motor but this trackstar motor works great on 4s just tweak gearing to temps.
Turnigy TrackStar 120A Brushless Short Course Truck ESC (USA Warehouse) $53.42 + shipping Turnigy TrackStar 4168 2650KV 1/8th Brushless Motor (USA Warehouse) $49.82 + shipping
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