Trickflow Powerport Cylinder Head, Big Block Ford 429/460, 290cc Intake, Chromoly Retainers, Max Lift .680

Serious horsepower for your Big Block Ford engine, heads sold individually. These are the TFS PowerPort 290cc intake runner aluminum heads with 74cc chambers, chromoly retainers and a max lift of .680 for solid roller camshafts, Trickflow part number TFS-53410002-M74. 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. CNC ported combustion chambers. Requires a Cobra Jet header. Exhaust port is raised 0.270 in. over stock.
Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Cylinder Head Finish: Natural Combustion Chamber Volume (cc): 74 CNC-Machined Combustion Chamber: Yes Intake Runner Volume (cc): 290cc Exhaust Runner Volume (cc): 130cc CNC-Machined Intake Runner: No CNC-Machined Exhaust Runner: No Combustion Chamber Style: Heart Intake Port Shape: Round Intake Port Location: Standard Exhaust Port Shape: D-port Exhaust Port Location: Raised Spark Plug Style: Angle Intake Valves Included: Yes Intake Valve Diameter (in): 2.200 in. Exhaust Valves Included: Yes Exhaust Valve Diameter (in): 1.760 in. Valve Springs Included: Yes Maximum Valve Lift (in): 0.680 in. solid roller Outside Diameter of Outer Spring (in): 1.530 in. Damper Spring Included: Yes Number of Springs Per Valve: Dual Retainers Included: Yes Retainer Material: Chromoly Steel Locks Included: Yes Lock Style: 10 degree Valve Stem Seals Included: Yes Rocker Arm Studs Included: Yes Rocker Arms Included: No Rocker Arm Nuts Included: No Rocker Arm Nut Thread Size: 7/16-20 in. Guideplates Included: Yes Guideplate Pushrod Size: 3/8" Valve Cover Mounting Style: Perimeter bolt 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 Steam Holes Drilled: No Oiling Style: Through pushrod Machined for O-Ring: No Heat Crossover: No Quantity: Sold individually Notes: Requires a Cobra Jet header. Exhaust port is raised 0.270 in. over stock.

Dyno SheetsAirflow SheetsInstruction Sheets