Upgrade your Traxxas® TRX-4 with Pro-Line Shocks, Tires & Wheels! TRX-4 Pick-By-Kit: https://www.prolineracing.com/traxxas-trx-4 BFGoodrich Krawler T/A KX 1.9″ G8 Rock Terrain Truck Tires Pro-Line Pro-Forge Aluminum Wheels Pro-Line PowerStroke Scaler Shocks