The Iwis Porsche Engine Timing Chain Kit - 90001163 is a complete set of high-quality timing chains designed specifically for Porsche engines. It includes all necessary components for proper timing chain replacement, including tensioners, guides, and sprockets. This kit is made by Iwis, a trusted brand in the automotive industry known for their durable and reliable products. It is compatible with various Porsche models and is a perfect choice for those looking to maintain the performance and longevity of their engine.