Cylinder & Cylinder Head Kit (62.5mm) 177.3cc Engine, fits the TaoTao Bull 200S model(s) listed here as well as some other makes/models. Comes with all parts shown. Bolt spacing = 60mm center/center to the adjacent hole and 81mm center/center to the diagonal hole. NOTE: Please be sure you need the kit with the 62.5mm bore and that your bolt spacing matches ours prior to ordering. Some models may have used a different bore.