These are the TFS PowerPort 290cc intake runner BBF 429/460 aluminum heads with 74cc chambers, chromoly retainers. And a max lift of. 650 for hydraulic roller camshafts. 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 exhaust ports raised.
270 from stock for increased airflow, Trick Flow PowerPort 290 cylinder heads are available fully assembled or as bare castings. Requires a Cobra Jet header.
Exhaust port is raised 0.270 in. Number of Springs Per Valve. Outside Diameter of Outer Spring (in). Rocker Arm Nut Thread Size.
We do not lower invoice values since it is a violation of US and International custom laws. Let us work to resolve your problem so everyone is happy. Suite D7 Costa Mesa, CA 92627.
And no repairs will be provided, nor labor charges covered by TREperformance Inc. The item "Trick Flow Power Port 290cc BBF Aluminum Cylinder Head Ford 429 460 TFS-53410001" is in sale since Friday, December 11, 2015. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts".The seller is "treperformance" and is located in Costa Mesa, California. This item can be shipped worldwide.