The Fleece FPE-61-10007 Freedom Street Series Cylinder Head is the perfect choice for your 2007.5-2018 6.7 Cummins. This head comes with new valve guide liners, 11 screw-in freeze plugs, new Cummins valve springs, and a remanufactured cylinder head. It also features hardened oversized press-in valve seats and a 1 year limited warranty. Whether you're looking for increased performance or simply wanting to refresh your engine, the Fleece FPE-61-10007 Freedom Street Series Cylinder Head is the way to go!