Designed to easily split crankcases without damage. Prevents marring and marking of gasket faces from pry bars when splitting the engine. 4 mounting bolts: M8 x 1.25 x 90mm long, M6 x 1.0 x 65mm long, M6 x 1.0 x 57mm long, M6 x 1.0 x 49mm long.Threaded bar: M14 x 1.5 x 180mm long. Fully adjustable for use on a variety of engines. Spare parts available: M6 x 49mm (Part No. 1918), M6 x 57mm (Part No. 1916), M6 x 65mm (Part No. 1874), M8 x 90mm (Part No. 1875); Threaded Bar (Part No. 1876).