Specifics and features: 100% New and High Quality 1 Year Warranty Type: Camshaft Timing Locking Tool Cam Phaser Retainer – Used to lock the camshaft on ECOTEC engines, ensuring the timing chain remains in its proper position for stable working. Water Pump Sprocket Retainer – The water pump holding tool locked the sprocket in place, serving as an indispensable tool during water pump replacement. .