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  1. Remove This Item Manufacturer: Trick Flow
  2. Remove This Item Price: $1,600.00 and above
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  1. Trick Flow 4.6/5.4L Twisted Wedge® Race Cylinder Head with 44cc Combustion Chambers and 150 lb. Dual Valve Springs, 195cc Intake Runners (Each)

    Trick Flow Twisted Wedge® Race 195 cylinder heads are perfect for big bore engine builds, superchargers and turbos, high compression E85, big shot nitrous oxide, and other mega-power combinations.

    The heads have the same features of the Twisted Wedge 185 series heads—Twisted Wedge combustion chambers, altered intake valve positions, OE PI-style intake inlets, CNC-profiled combustion chambers, 3/4" thick decks, patented replaceable cam bearing journals*, and 3/4"-reach spark plugs—but have fully CNC Competition Ported runners with a premium high resolution surface finish for ultimate performance. Larger, stronger valves and race-duty valvetrain components give these heads 8,000-plus rpm capability.

    Cylinder Head Style: Assembled
    CNC-Machined Ports: Yes
    Port Finish Type: CNC Competition Ported
    Emissions Status: Non-emissions
    Intake Port Volume: 195cc
    Combustion Chamber Volume: 44cc CNC-profiled
    Minimum Bore Diameter: 3.572 in.
    Material: A356-T61 aluminum
    Combustion Chamber Shape: Twisted Wedge®
    Intake Valve Angle: 9 degree
    Intake Port Location: Stock
    Intake Port Shape: OE Ford PI
    Intake Port Dimensions: 1.700 in. x 2.000 in.
    Intake Valve Diameter: 1.900 in.
    Intake Valve Seat: Ductile iron
    Exhaust Valve Angle: 9 degree
    Exhaust Port Volume: 95cc
    Exhaust Port Location: Stock
    Exhaust Port Shape: D-port
    Exhaust Port Dimensions: 1.250 in. x 1.470 in.
    Exhaust Valve Diameter: 1.470 in.
    Exhaust Valve Seat: Ductile iron
    Valve Guide Material: Bronze alloy
    Valve Seals: Viton® fluoroelastomer
    Valve Seat Angles: 45 degree x multi-angle
    Valve Spring Pocket Diameter: 1.180 in.
    Valve Spring Cups: 1.100 in.
    Valve Spring Retainers: Chromoly steel
    Valve Stem Locks: 7 degree
    Valve Springs Included: Yes
    Valve Springs: 1.100 in. o.d. dual spring
    Valve Spring Seat Load: 150 lbs. @ 1.500 in. installed height
    Valve Spring Open Load: 290 lbs. @ .900 in. open
    Valve Spring Rate: 233 lbs. per inch rate
    Valve Spring Maximum Valve Lift: .650 in.
    Valve Cover Style: Perimeter bolt
    Spark Plug Style: Angle
    Accessory Bolt Holes Drilled/Tapped: No
    O-Ring Grooves: No
    Heat Crossovers: No
    Steam Holes: No
    Quantity: Sold individually.
    Notes: Accepts all Romeo and Windsor valve covers plus most OE Ford front covers with 8 mm head bolt holes. Must use head gaskets with a minimum bore diameter of 3.700 in.Learn More

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