21| M8 Lock Nut

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M8 Nylock Nut for Rotax Max Evo Kart Engines. This nut aids in securing the isolating rubber bushing to dampen vibrations to the Rotax Max Evo exhaust system.

This nut is utilized on both the junior / senior and the Micro / mini engines.

Each nut is M8 x 1.25 in thread and sizing.