Draper Camshaft Locking / Adjustment Tool GM - allows camshaft alignment to be set without altering T.D.C position.
For use on 1.6 and 1.7 OHC diesel engines fitted to Mark 1 and Mark 11 Vauxhall Astra, Belmont, Cavalier, Corsa, Nova Kadett and Vectra. This allows cam timing to be reset when (for example) the timing belt has been disturbed, when replacing the injector or waterpump.
