This puller is for removing the camshaft sprockets on all V6 Audi® and VW® engines (early 2 valve AND later 5 valve per cyl. engines but not VR6®.) and V8 Audi® and VW® engines. Essential for a proper timing belt replacement on these engines. Also useful for removing the injection pump sprockets on most Diesels up to mid 1999 (A1, A2 & A3 chassis G/J/NB, and B4 chassis Passats®). Will not work on AAZ engines. Durable, heat treated arms and jackscrew.w.