Fit your Traxxas TRX4 Trail Crawler with GPM TRX4037SA aluminum and steel CVD main shafts. These shafts are made from a durable combination of alloy 6061 T6 and steel to provide a strong yet lightweight driveline component that helps move motor power efficiently through the vehicle. The adjustable length design lets you match shaft span to different suspension setups for cleaner geometry and reliable operation.
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