To determine the specified Piston position and prevent the camshafts from timing or hold them in position when changing the timing belt or during other engine repairs.
Applicable for Fiat 1.2 16V TwinCam petrol engines (engine code: 176 B9.000 182
B2.000 and 188 A5.000)e.g. Fiat Punto / Brava and Bravo.