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cam chain guide for GY6 139QMB/QMA

SKU BT13874
Original price $5.49 - Original price $5.49
Original price
$5.49
$5.49 - $5.49
Current price $5.49
Timing chain guide for GY6 50cc engines 139QMB/QMA. This guide sits opposite the chain tensioner and is positioned between the cylinder and the cylinder head. Porous or torn rubber should be replaced immediately to avoid engine damage.