ion Gear If you want to take your 4-Tec 2.0 performance to the next level, then you need to install this Traxxas Center Aluminum Driveshaft & Pinion Gear Set. This set includes a center driveshaft made from lightweight aluminum, as well as a hardened steel pinion gear. The aluminum driveshaft is 50% lighter than the stock plastic driveshaft, which means less rotating mass and quicker acceleration. The steel pinion gear is much more durable than the stock plastic gear and can take the high-RPM abuse that comes with Mod racing.
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