This complete tool set is everything you need for performing the timing service on your VW/Audi 4.2L V8 engine. Included in this kit is the Camshaft locking bars, TDC lock pin and Setting tool for camshaft position sensor rotor ring used during installation of timing chains. VW/Audi Factory Tool #T40047, T40046, T3242 & T40058. Whether tuning up your '68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.