The BLUE bushings have a shore durometer rating of 60. This is the 2nd hardest set of bushings you can get for your Acrobrat and is usually (but not always) best in warmer climates.
Use these (and the other sets) to tune out vibrations out of your motor & prop setup.
Also available in ratings of 40, 50, 60, and 70
- 4x Bushings
- 4x FC grommets
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