This is the Ballistic Spec Brushless 10.5 Turn Motor from Novak.

FEATURES: Completely rebuildable allowing upgrades or replacement of various
            parts
          Easy to adjust timing assembly
          Meets ROAR and IFMAR specifications
          12.3mm nickel-plated sintered neodymium rotor for maximum
            performance in high-temperature conditions
          0.125" (3.2mm) pinion shaft accepts all existing pinion gears
          Sensor-based for excellent torque and low-speed driveability
          Compatible with the Novak GTB, Slyder and Havoc 3S electronic speed
            controls
          Color-coded hand wound stator identifies number of motor winds
          Heavy duty solder tabs
          120 day limited warranty through manufacturer

INCLUDES: Ballistic Spec Brushless 10.5 Turn Motor with sensor wire and
            instruction sheet

REQUIRES: Installing in vehicle and connecting to ESC

SPECS:    Watts: 235
          Maximum RPM: 50,000
          kV: 4200 RPM/volt (unloaded)
          Sensor Harness Length: 9" (230mm)
          Motor Size: 2.07 x 1.41" (52.6 x 35.8mm)
          Motor Weight: 6.6oz (187g)
          Color-Coded Stator: Blue
          Magnetic Material Operating Temp:* 392°F (200°C)
          * Motor is not capable of operating at 392°F (200°C). The recommended
            operating temperature is 160°F (70°C)

COMMENTS: The Ballistic Spec Brushless series is available in the following
            turns;
            10.5T   NOVC3610               17.5T  NOVC3617
            13.5T   NOVC3613               21.5T  NOVC3621

                                                                    jxs 5/11/09
                                                                         ir/jxs