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Mugen Seiki HD Coated Pinion - 2nd Gear (21T)
MUGH2718
Mugen 21 Tooth HD Pinion gears are an optional upgrade for your MGT7 and MRX6 vehicles developed to improve durability and wear resistance. These 2nd gear pinions are available in 19T, 20T or 21 Tooth count. Choose the tooth count from the pull down menu above.