This is a set of(ten) Ford oil filter adapter o-rings with a part number of 87147-S91. The rings are suitable for use in 1978 through 1997 Ford 7.5 (460) engines and may fit other engine models. They are made from high-quality materials and are designed to provide a reliable seal for the oil filter. The rings are compatible with various Ford models and are perfect for those looking to replace their old or damaged oil filter adapter o-rings. ALTHOUGH NEW THESE PARTS DO NOT COME WITH ANY IMPLIED WARRANTIES.