Losi LOSB5801 19T Engine Mount Inserts Fazer Parts Threads on the plug are

Threads on the plug are 1/4-32

Associated part 21591

accommodating a wide range of setups

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Losi LOSB5801 19T Engine Mount Inserts Fazer Parts Threads on the plug areThese engine mount inserts and screws are a genuine Losi chassis component sized for 19 tooth pinion gear applications on the 5IVE T and MINI WRC platforms, sold as a set of four. The inserts thread into the engine mount to hold the pinion gear at the correct height and mesh distance from the spur gear, and are designed for use with the LOSB5044 pinion gear. Proper gear mesh is critical for nitro drivetrain longevity, since inserts that are worn,