double speed turret gearbox, plastic. (SAME AS ALL HL v6.0 turret motors, if you have the v6.0 tank, don't buy, it's the same thing)
turn your turret faster with this awesome mod!
NOTE: no wires included, you need to solder it yourself
this turret gearbox has a clutch, which is a safe option as it prevent the board from burning out in case the turret gets stuck!
test speed: 320 deg turn
stock HL gearbox 16 seconds (older types)
double speed upgrade gearbox 10 secs (new HL v6.0/6.1)