Assembled Steel Metal Gearbox For Heng Long 1/16 RC tanks -- More stable than Zinc metal.

Free delivery for UK main land.

--- Suits for Heng Long  Challenger II 1:16 tank ONLY .

--- Ideal to upgrade your tank from plastic gear box to much more durable metal gears for less chances of transmission failure.

---Motor plug may vary from 2 pin to bullet version , subject to stock.