Trickflow Powerport Cylinder Head, Big Block Ford 429/460, 290cc Intake, Ti Ret, Max Lift .680, 138 Lb Spring

Serious horsepower for your Big Block Ford engine, heads sold individually. These heads are fully assembled to work with a solid roller lifter. 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 .680 for solid 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. Exhaust port is raised 0.270 in. over stock.
Part Number: TFS-5341T002-M74Combustion Chamber Volume (cc): 74Intake Runner Volume (cc): 290ccExhaust Runner Volume (cc): 130ccCylinder Head Style: AssembledCylinder Head Material: Cast aluminumCamshaft Style: Solid rollerIntake Port Shape: RoundIntake Valve Diameter (in.): 2.200 in.CNC-Machined Combustion Chamber: YesCNC-Machined Intake Runner: NoCNC-Machined Exhaust Runner: NoCombustion Chamber Style: HeartIntake Port Location: StandardExhaust Port Shape: D-portExhaust Port Location: RaisedSpark Plug Style: AngleIntake Valves Included: YesExhaust Valves Included: YesExhaust Valve Diameter (in.): 1.760 in.Valve Springs Included: YesMaximum Valve Lift (in.): 0.680 in.Outside Diameter of Outer Spring (in.): 1.550 in.Damper Spring Included: YesNumber of Springs Per Valve: DualRetainers Included: YesRetainer Material: TitaniumLocks Included: YesLock Style: 10 degreeValve Stem Seals Included: YesRocker Arm Studs Included: YesRocker Arm Nut Thread Size: 7/16 in.-20Rocker Arms Included: NoRocker Arm Nuts Included: NoGuideplates Included: YesGuideplate Pushrod Size: 3/8 in.Accessory Bolt Holes Drilled: YesIntake Valve Angle: 15/5Exhaust Valve Angle: 15.25/4.5Valve Guides Included: YesValve Guide Material: BronzeValve Seats Machined: YesValve Seat Machine Style: 3-angleValve Seat Material: Ductile ironCylinder Head Color: NaturalSteam Holes Drilled: NoOiling Style: Through pushrodMachined for O-Ring: NoHeat Crossover: NoQuantity: Sold individually.Notes: Requires a Cobra Jet header. Exhaust port is raised 0.270 in. over stock.

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