STOCK Trickflow BBF 290cc Aluminum Cylinder Head Ford 429 460 TFS-53410002. This product data sheet is originally written in English. These are the TFS PowerPort 290cc intake runner aluminum heads with 74cc chambers, chromoly retainers. And a max lift of. Looking for serious Big-Block horsepower? Trick Flow PowerPort® 290 cylinder heads for Ford 429/460 engines deliver significant horsepower and torque gains over similar-style cylinder heads. The heads have Fast As Cast® runners that duplicate the port shape and profile of CNC-ported heads for near-CNC-ported power and performance for about the same price as regular cast cylinder heads. Other features include an extremely efficient chamber design for more complete combustion and…