Trickflow Powerport Cylinder Head, Big Block Ford 429/460, 290cc Intake, Ti Ret, Max Lift .850

Serious horsepower for your Big Block Ford engine, heads sold individually. These heads are fully assembled to work with a solid lifter with a triple spring. These are the TFS PowerPort 290cc intake runner BBF 429/460 aluminum heads with CNC ported 74cc chambers, chromoly retainers and a max lift of .850 for solid roller camshafts. 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. Exhaust port is raised 0.270 in. over stock.
Part Number: TFS-5341T004-M74 Combustion Chamber Volume (cc): 74 Intake Runner Volume (cc): 290cc Exhaust Runner Volume (cc): 130cc Cylinder Head Style: Assembled Cylinder Head Material: Cast aluminum Camshaft Style: Solid roller Intake Port Shape: Round Intake Valve Diameter (in.): 2.200 in. CNC-Machined Combustion Chamber: Yes CNC-Machined Intake Runner: No CNC-Machined Exhaust Runner: No Combustion Chamber Style: Heart Intake Port Location: Standard Exhaust Port Shape: D-port Exhaust Port Location: Raised Spark Plug Style: Angle Intake Valves Included: Yes Exhaust Valves Included: Yes Exhaust Valve Diameter (in.): 1.760 in. Valve Springs Included: Yes Maximum Valve Lift (in.): 0.850 in. Outside Diameter of Outer Spring (in.): 1.640 in. Damper Spring Included: Yes Number of Springs Per Valve: Dual Retainers Included: No Retainer Material: Titanium Locks Included: Yes Lock Style: 10 degree Valve Stem Seals Included: Yes Rocker Arm Studs Included: Yes Rocker Arm Nut Thread Size: 7/16 in.-20 Rocker Arms Included: No Rocker Arm Nuts Included: No Guideplates Included: Yes Guideplate Pushrod Size: 3/8 in. Accessory Bolt Holes Drilled: Yes Intake Valve Angle: 15/5 Exhaust Valve Angle: 15.25/4.5 Valve Guides Included: Yes Valve Guide Material: Bronze Valve Seats Machined: Yes Valve Seat Machine Style: 3-angle Valve Seat Material: Ductile iron Cylinder Head Color: Natural Steam Holes Drilled: No Oiling Style: Through pushrod Machined for O-Ring: No Heat Crossover: No Quantity: Sold individually. Notes: Exhaust port is raised 0.270 in. over stock.

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