O.S. Engines

Brass Clutch Flywheel Collet and washers is intended for use with the .21 engines. It is made by Ultimate Racing.
Package includes two cones and two adjustment shims.

This oil has been specially formulated to assemble and disassemble RC engines.
Suitable product to maintain the engine lubricated whenever a maintenance is made or when the engine will be stored  for long periods superior to two months.

This tube connector allows taking the fuel line out without removing from the tank or the pipe. It has been designed without any nipple avoiding fuel line potential damage. The inner size of the tube connector and the UR silicone fuel line is exactly the same, maintaining exactly the same fuel flow when the fuel goes through the fuel line connector.