An apparatus and method utilize a mounting arrangement having a base block and a mating retainer plate for securing a plurality of hard lines to a vehicle chassis in a spaced apart array. The base block includes several parallel slots having depressions for receiving pairs of hard lines and supporting them in a spaced relationship, prior to installation of the retainer plate. Once the hard lines are all positioned within the depressions in the slots of the base block, the retainer plate is secured to the base block in a face-to-face manner to the base block, to thereby secure the hard lines in the depressions of the slots in the spaced apart array of hard lines.