Get the best performance from your Mustang with these high-quality upper plenum gaskets from BBK. Designed specifically for 86-93 Mustang 5.0L factory manifold, these gaskets ensure a perfect fit and leak-free seal. Made with durable materials, these gaskets are built to last and withstand intense heat and pressure. Upgrade your Mustang's exhaust system with BBK 15082 upper plenum gaskets and experience improved performance and sound. This product is compatible with BBK and factory exhaust systems.