This kit has been developed to change the cambelt on the later Z and A coded General Motors petrol belt driven engines.These engines are also found in some Fiat and Alfa Romeo vehicles. Engine timing tool kit for GM engines fitted to Vauxhall/Opel and other vehicles 16v 1.6 and 1.8.Applications: Astra-G & H, Corsa-D, Insignia, Mervia, Signum, Vectra-C, Zafira-B (2003 - 2011). Also fits Chevrolet Cruze, Orlando 1.4, 1.6, 1.8 and Fiat Croma, Alfa Romeo 159 with 939A4.000 engines. Made in Sheffield.