Profile: 4X4 Connection.com specializes in automobile aftermarket parts, accessories, repair and installation. We offer air compressors & accessories, body lift kits, bumpers, roof racks and horns. Our ARB large face tire gauge has a 4" face and reads pressures between 0 to 50 psi. It has readings for kPa and bar pressure units also. The rear double 3" tube bumper is with ½" grade 5 hardware for installation. The receiver and ball hitch are optional.