These Kyosho MP11/MP11e alloy eccentrics remove undesirable bearing and gear movement inside the gearboxes under high loads. Treat your Kyosho MP11/MP11e to a solid, true, free running drivetrain! Not to mention longer bearing and gear life!
They are offered in sets of 4 pieces. 1 bag included 4 inserts to upgrade ONE gearbox. Includes 2x
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I like the fact someone makes the diff height inserts out of aluminum but I had to sand them to make them fit both sets so its a machinery issue