The product is a rear differential diff casing housing designed for the Mazda Rx7 FC S4 model years 86-88. This specific part is made by Mazda in Japan, which ensures quality and compatibility with the vehicle. Upgrading with this rear differential diff casing housing can enhance the performance of a Mazda Rx7 FC S4 or a Miata, providing a reliable and durable component for the engine system.
