The Hobbywing Xerun XR8 SCT Brushless ESC and 3660SD G2 Motor Combo is a great choice for short course trucks, monster trucks, and other heavy duty 2S LiPo applications.

The XR8 SCT is the first 1/8 scale competition ESC which can work the full-sensored mode at all times when paired with a Hobbywing matching motor. Perfect for 1/10 4WD Short Course Truck, Monster Trucks and of course 1/8th scale, the XR8 SCT ESC boasts full sensored operation, 140A output, electronic switch, 6V/7.4V switchable BEC and wireless programming capabilities.  

The Hobbywing XERUN SCT 3660SD G2 Sensored 4300kV Brushless Motor is a 4-pole power house, great for heavy-duty short course, truck and monster truck sensored applications. Because this motor uses a 5mm diameter motor shaft, it requires pinion gears with a 5mm bore.

Features:  

• ESC
• Turbo Timing Technology: Turbo timing technology is implemented by the XR8 SCT to unleash the maximum power of a HOBBYWING matching motor.
• Small & Light Structure Design: Small (30.1% smaller than XR8 Plus in size) and light (36.5g lighter than XR8 Plus in weight) structure design greatly simplifies the installation of the power system (esp. for vehicles like buggy and touring car with compact chassis).
• Programming / Upgrading / Data reading wirelessly: With Hobbywing's "WiFi Express" module and iPhone or an Android phone (with the HOBBYWING WiFi Link software installed), the user can remotely program parameters, upgrade firmware and check relevant data of the ESC without leaving the control stand. 
  *WiFi Module not included and sold separately: part# HWA30503000 
• Parts