If you're looking for an exhaust manifold gasket kit for your 5.9 or 6.7 Cummins, look no further than the BD 1045986-T4. This kit is made with BD-Power quality construction and includes all of the necessary gaskets and seals for easy installation. It's a perfect fit for T4 manifolds and will keep your engine running like new. Order your kit today and be back on the road in no time!