Hexfly Torque Spec Servo 2 pack W/ Y-Harness (1 set) These servos are a perfect match for the Custom Hauler so you can raise and lower the suspension, but they can also be used for many different RC Car applications. A wire harness is included specifically for the Custom Hauler to allow for connecting two servos on one channel. High torque - maximum torque up to 42kg. cm (8.4V) High-precision metal gear with hard anodizing for better accuracy and longer life CNC aluminum middle shell enhances heat dissipation Water proof, made of high-grade material to ensure longevity Operating voltage: 5.0 - 8.4V Operating speed (5.0V) : 0.16 sec/60 degree Operating speed (7.4V): 0.14 sec/60 degree Operating speed (8.4V) : 0.12 sec/60 degree Stall torque (5.0V) : 25kg/cm Stall torque (7.4V) : 35kg/cm Stall torque (8.4V) : 42kg/cm Working frequency: 50-333Hz Connector wire: 300mm (11.8") Gear type: Metal Motor Type: DC motor Servo Size: 40 x 20 x 40.5mm Weight: 67g 270 Rotation