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Made in USA
Assembled Platinum Pro 1 Aluminum Cylinder Head [Angled Plug]
InfoVehicle Info Needed
DARTPART NUMBER: 301-11971143P

Assembled Platinum Pro 1 Aluminum Cylinder Head [Angled Plug]

$2,24157
ShippingShips on 03/18/2027
Lowest PriceLowest Price Guarantee

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227cc Intake Ports (CNC-Ported)
  • Combustion Chambers: 66cc
      • Assembled Platinum Pro 1 Aluminum Cylinder Head
    • Angled Plug
    • Valves: 2.08'' Intake, 1.60'' Exhaust
    • Dual Valve Springs: 1.550''

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    Part TypeCylinder Head
    BrandDART
    Package Height6.4
    Package Width9.0
    Package Length21.8
    Weight28.2 PG
    Retainers IncludedYes
    Guideplates IncludedYes
    Oiling StyleThrough pushrod
    Valve Seats MachinedYes
    Heat CrossoverNo
    Number Of Springs Per ValveDual
    Spark Plug StyleAngled
    Damper Spring IncludedYes
    Valve Stem Seals IncludedYes
    Intake Valve Diameter2.08 in (52.832 mm)
    Valve Guide MaterialManganese bronze
    Outside Diameter Of Outer Spring1.55 in (39.4 mm)
    Steam Holes DrilledNo
    Rocker Arm Studs IncludedYes
    Retainer MaterialTitanium
    Cnc-Machined Combustion ChamberYes
    Exhaust Valve Diameter1.6 in (40.64 mm)
    Part CategoryPerformance Parts
    Cylinder Head MaterialAluminum
    Intake Port LocationStandard
    Rocker Arm Nut Thread Size (In.)7/16"-20
    Exhaust Valves IncludedYes
    Locks IncludedYes
    Lock Style10 degree
    Rocker Arms IncludedNo
    Rocker Arm Nuts IncludedNo
    Cylinder Head FinishNatural
    Intake Valve Angle24
    Maximum Valve Lift0.69 in (17.526 mm)
    Valve Seat MaterialDuctile iron
    Valve Springs IncludedYes
    Valve Seat Machine Style4-angle intake/3-angle exhaust
    Valve Guides IncludedYes
    Cnc-Machined Intake RunnerYes
    Intake Valves IncludedYes
    Combustion Chamber StyleHeart
    QuantitySold individually
    Accessory Bolt Holes DrilledYes
    Exhaust Runner Volume (Cc)85
    Exhaust Port LocationStandard
    Combustion Chamber Volume (Cc)64
    Machined For O-RingNo
    Exhaust Valve Angle15
    Cylinder Head StyleAssembled
    Part FitmentSemi Universal
    Valve Cover Mounting StyleCenter and perimeter bolt
    Valve Stem Seal StylePositive stop
    Intake Runner Volume (Cc)227
    Cnc-Machined Exhaust RunnerYes
    Vendor Part Number11971143P
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning