Genuine OEM Jaguar Secondary Timing Chain Guide, part number AJ814149. This critical engine component is designed to precisely guide the secondary timing chain, ensuring smooth operation and maintaining accurate valve timing. It is situated within the engine's timing chain assembly. Weighing approximately 0.06 kg, this guide is engineered for durability and low friction. Using a genuine OEM chain guide is vital for the longevity and reliable performance of the engine's timing system.