Volcano EPX Monster Truck BlueCall or e mail for shipping costs The lightweight molded plastic chassis is designed to be durable, while providing a low center of gravity for high speed off road action. Speaking of durability, the Volcano EPX utilizes a 4WD shaft driven drivetrain with steel dogbone axles, and eight aluminum capped oil filled shocks. The Volcano EPX is fully adjustable and upgradeable. The shocks can be tuned with the included preload spacers or, for even more