Bumper kits for trucks, sports utility vehicles, all-terrain vehicles and utility terrain side-by-side vehicles, composed of metal plates, bars, tubing and fasteners for assembly into a vehicle bumper; roof racks; rock sliders, namely metals bars and mounting hardware for affixing to a vehicle chassis to protect the vehicle undercarriage and sides from damage; tire carriers in the nature of spare tire carriers for vehicles; land vehicle parts, namely locking differentials; suspension components, namely, shock absorbers, swing arms and linkages; all of the foregoing being for trucks, sports utility vehicles, all-terrain vehicles and utility terrain side-by-side vehicles