Trickflow Powerport Cylinder Head, Big Block Ford 429/460, 290cc Intake, Chro. Ret., Max Lift .650

Serious horsepower for your Big Block Ford engine, heads sold individually. 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 .650 for hydraulic roller camshafts. Trick Flow PowerPort® 290 cylinder heads are designed for high performance Ford 429/460 street and street/strip applications, providing significant horsepower and torque gains over similar-style cylinder heads. Highlights include an extremely efficient chamber design for more complete combustion, exhaust ports raised .270" from stock for increased airflow, and 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. 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): 0.650 in. Outside Diameter of Outer Spring (in): 1.460 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.

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