Automobile suspension systems, consisting primarily of, four-link control arm systems comprised primarily of link bars, rod ends and brackets, ladder bar control arm systems consisting primarily of link bars, rod ends and brackets, and leaf spring systems consisting primarily of leaf springs, bushings and brackets, rear differential position locating devices, namely wishbone links, diagonal links, and panhard rods, rear differential housings, and anti-roll bar systems consisting primarily of a torsion bar, moment arms, end links, rod ends, and mounting brackets, automobile racing cars, racing chassis and parts therefore, namely, safety roll cages, subframe connection structures, front control arms, steering arms, engine cradles, front and rear engine positioning plates, and front suspension mounting systems consisting primarily of engine cradles, front control arms, rod ends, ball joints, damper mounts and mounting brackets; automobile nitrous oxide delivery system components, namely, activation switch assemblies; and parachute deployment assembly consisting primarily of a handle, cable and mounting hardware