The Genuine Porsche Engine Timing Chain Guide Bolt - 9A700836500 is a high-quality bolt designed specifically for Porsche engines. It is used to secure the timing chain guide in place, ensuring proper timing and smooth engine operation. This bolt is made from durable materials and is built to withstand the high temperatures and pressures of the engine. It is an essential component for maintaining the performance and longevity of your Porsche engine.