Kitaco 22mm Manifold Aluminium Spinner Plate Z50A, Z50J1, Z50R, Z50J, Dax 6V, Dax 12VThis aluminium plate can be used to change position of the manifold carburettor when tuning the engine. This plate is not compatible with standard size carburettors. Centre hole: 22mm diameter 12 different positions This part raises the manifold by 10mm, this means the part is not compatible with all applications. Please take this into account before ordering.