Hub caps; Hubs for vehicle wheels; Metal locking device for trailer hitch couplers; Shock absorbers for automobiles; 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; Trailer hitches; Trailer hitches for vehicles; Wheel suspensions