This is the LRP Dynamic 8 1600kV 1/8 scale Brushless Motor from Associated.

FEATURES: Designed for 1/8 scale on-road cars, multi-mounting system for M3 or
            M4 screws
          Multi-slot winding for superior torque and better eficiency over the
            entire RPM range
          Heavy-duty XTEC B8 housing, machined from 7075-T6 aluminum
          Four pole magnet and 12 slots for high torque
          Precision balanced rotor
          Oversized ball bearings

INCLUDES: Dynamic 8 1600kV 1/8 scale Brushless Motor with Instructions

REQUIRES: Compatible electronic speed control

SPECS:    Voltage Input: 7.4 - 25.2V
          RPM: 23,680
          Specific RPM/V (kV): 1,600
          Power (W): 1.750W
          Efficiency: 91
          Magnet Material: Four pole sintered
          Stack/Winding: 12-slot low resistance
          Weight: 11.9oz (340g)
          Diameter: 1.6" (41.0mm)
          Length: 2.6" (65.5mm)
          Shaft Diameter: 0.196" (5.0mm)

                                                                   jxs 04/05/13
                                                                         ir/jxs