Trick Flow® 350 HP Twisted Wedge® Top-End Engine Kits for Ford 5.0L provide dyno-proven power without the guesswork. Built around Trick Flow® Twisted Wedge® Street cylinder heads, the kits include a specially matched hydraulic roller cam, StreetBurner EFI intake manifold, roller rockers, gasket kit, billet timing chain, pushrods, short valve covers, and our billet oil fill kit. Lifters not included.