Triangulates the shock towers and the frame horns, helping to prevent movement of the engine and trans upon acceleration preventing wheel hop. Adjustable rod ends allow for variations and/or preload. Features 3/4" Steel Tubing, Powder-Coated Black for good looks and durability. Fits 1961 & Later Beetle, S/B and Ghia Swing Axle and I.R.S. Does not fit Thing and will not fit with SR-17 and other tall starters. Some applications may require slight trimming/modification to the body panels for installation. Fits with stock heater boxes.