The Genuine Porsche Engine Timing Chain Tensioner is a high-quality replacement part designed specifically for Porsche 996 models. It is used to keep the timing chain properly tensioned, ensuring precise and efficient engine operation. This tensioner is made from durable materials to withstand the high temperatures and pressures within the engine. It is an authentic Porsche product, guaranteeing a perfect fit and reliable performance. This tensioner is part number 99610518058 and is a crucial component for maintaining the smooth and powerful performance of your Porsche engine.