Mugen Seiki HD Pinion - 2nd Gear (21T)
Mugen HD Pinion gears are an optional upgrade for your MGT7 and MRX6 vehicles developed to improve durability and wear resistance. This 2nd gear pinion is available with a 19, 20 or 21 tooth count. Choose the tooth count from the pull down menu above.
This product was added to our catalog on January 6, 2017.