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CNC Aluminum Cylinder Heads Big Block Mopar 383/440 w/Hydraulic Roller Cam
InfoVehicle Info Needed
SPEEDMASTERPART NUMBER: 746-PCE281.2153

CNC Aluminum Cylinder Heads Big Block Mopar 383/440 w/Hydraulic Roller Cam

$1,54000
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Mopar Big Block
CNC Aluminum Cylinder Heads
  • Big Block Mopar 383/440 w/Hydraulic Roller Cam
  • Assembled Head
  • 74cc Combustion Chamber
  • 265cc Intake Runner
  • Includes Valves & Springs
  • Set of 2

    Special Note: Camshaft and Lifters Not Included

    Specifications:

    • Max Lift: .650
    • Coil Bind: .1.125
    • Intake Install: 145lbs @ 1.9
    • Exhaust Install: 145lbs @ 1.9
    • Closed Seat Pressure: 135lbs
    • Open Seat Pressure: 280lbs
    • Intake Port Shape: Rectangular
    • Intake Valve Diameter (in): 2.200 in.
    • Exhaust Valve Diameter (in): 1.810 in.
    • Retainer Material: Chromoly steel
    • Intake Valve Angle: 15 deg.
    • Exhaust Valve Angle: 15 deg.

    Note: This cylinder head features a .450 in. offset intake valve

    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

      • Ditch Restrivtive, Heavy Cyclinder Heads for Speedmaster Performance Heads

      One of the best upgrades for your engine is to replace cast iron heads with a better performing and lighter aluminum head. Speedmaster's line of performance cylinder heads have proven themselves time and time again both on the track and on the dyno. Many variations are offered for popular Small and Big Block engines to bring performance output to the next level. Available in as-cast for mild street applications and in Fully CNC machined for the serious enthusiast.

    Part TypeCylinder Head
    Product LineSpeedmaster Performance Cylinder Head Kits
    BrandSPEEDMASTER
    Package Height11.2
    Package Width13.5
    Package Length23.6
    Weight80.0 PG
    Part CategoryPerformance Parts
    Maximum Valve Lift0.65 in (16.51 mm)
    Part FitmentSemi Universal
    Vendor Part NumberPCE281.2153
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    Some parts are not legal for use in California or other states with similar laws / regulations
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