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.
