Two needed. Improve suspension performance! Worn and soft original suspension bushings flex and compress, allowing suspension components to float , changing your alignment specs and making your Porsche s handling less than what it should be. Weltmeister poly-graphite bushings are the best. They have a bearing-like action, yet do not squeak like delrin or teflon. As a result, you will not get strange looks at stop lights from the girl in the bmw as she laughs at the squeaky Porsche! Weltmeister bushings are proven winners in imsa, scca, Porsche club racing, and an inexpensive update that you will really love!