This set of timing tools enables the correct timing position to be held when servicing GM 2.2 litre petrol and diesel engines plus 2.5DCi engines. Also for use on some Renault engines. This set contains - C179 Crankshaft Alignment Pin C180 Exhaust Camshaft Alignment Tool C181 Inlet Camshaft Alignment Tool C182 High Pressure Pump locking pin C183 Camshaft Locking Tool C184 Tensioner Locking Pin 1.0mm C269 M8 x 60mm Alignment Pin C270 M6 x 20mm Setscrew