Bilstein 7100 Series Classic coilovers are perfect for meeting the demands of vintage off road race cars and off-road recreational vehicles such as Baja Bugs and Sand Cars. The 46mm monotube gas pressure construction and the self adjusting deflective disc valving make these an ideal choice for any off-road enthusiast with a buggy application. They come with 1/2" spherical bearings on each end with 1/2 mis alignment spacers. 7100 Classic Series shocks absorbers are equipped with a high flow piston to dramatically reduce harshness and give the level of performance you have come to expect from Bilstein. These shocks are 100% factory rebuildable, are threaded body, and supplied with 2.5" spring hardware.