Automotive conversion kits comprised of Driving module to make structural changes to an automobile; Automotive structural parts, namely, self-sealing tanks for fuel storage, coolant storage, oil storage, and/or water storage; Fitted covers for motorized golf cart vehicles; Flexible fuel tanks for boats, trucks, yachts; Hubs for automobile wheels; Mechanical stability system for allowing improved control of powered industrial lift trucks, sold as an integral component of powered industrial lift trucks; Motor scooters and structural parts therefor; Steering and suspension systems and parts for steering and suspension systems for vehicles, namely, upper ball joints, lower ball joints, ball joints with control arms, bushing kits, inner tie rod ends, outer tie rod ends, sleeves, idler arms, center links, stabilizer kits, inner sockets and pitman arms; Steering wheel attachment comprised of an electric motor and drive gear and a ring gear that when activated by an external controller, turns the steering wheel to effect automatic vehicle steering in straight or curved paths; Wheeled platforms, namely, platforms having non-motorized wheels designed for towing lawn and turf implements