This AE Timing Chain Tensioner, part number FOL156, is engineered to maintain the correct tension on your vehicle's timing chain. Proper tension is crucial for synchronizing the engine's camshaft and crankshaft, preventing valve-to-piston contact and ensuring smooth, efficient operation. Crafted with high-quality materials, this tensioner is built to withstand the demanding conditions within the engine. Its robust design contributes to the longevity of the timing chain system and helps prevent premature wear. Installation of this component is key to maintaining the integrity of your engine's timing mechanism. By ensuring consistent tension, this AE tensioner helps to reduce noise and vibration associated with a slack timing chain. It plays a vital role in the overall health and performance of your engine, contributing to fuel efficiency and power delivery.