This kit triangulates the shock towers and the frame horns to help prevent movement of the engine and trans upon acceleration. This will help stop wheel hop. Adjustable rod ends allow for variations and preload. Features 3/4 inch steel tubing which is powdercoated black for long life and durability. Fits 61 and later beetles, Super Beetle, and Ghia. Works on swing Axle and IRS. Does not fit VW Thing. Does not work with SR-17 and other tall starters. Some applications require some trimming to fit. Works with stock heater boxes.