A coilover shock with adjustable crossover is disclosed, in which, in some embodiments, a pre-load collar of a coilover shock may be adjustable in length, so as to engage the spring divider, when the tender coil spring is partially compressed during a compression stroke of the coilover shock, to prevent further compression of the tender coil spring and begin compression of the main coil spring. In some embodiments, the spring divider may be adjustable in length, so as to engage the pre-load collar, when the tender coil spring is partially compressed during a compression stoke of the coilover shock, to prevent further compression of the tender coil spring and begin compression of the main coil spring. In some embodiments, an adjustable pre-load collar, or an adjustable spring divider, may be controlled remotely, such as by a controller located in the driver compartment of the vehicle.