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Speedmaster PCE281.2153

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

746-PCE281.2153

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$1,166.99
Speedmaster CNC Aluminum Cylinder Heads Big Block Mopar 383/440 w/Hydraulic Roller Cam $1,166.99
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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
  • are they made in the us

    Asked by: nick b
    No, these are not made in the USA.
    Answered by: Rusty B
    Date published: 2018-05-25

    What seat pressure do the springs come set at. Do these require offset intake rockers?

    Asked by: FCC17
    Speedmaster says these are 120lb springs and don't require offset rockers.
    Answered by: Jon Jegs Tech
    Date published: 2018-12-28

    Hyd-r Does this mean hydraulic lifter?  Are they built in the United States? 

    Asked by: 34 Swirls
    Yes the springs assembled with the head accommodate a .650" lift roller cam.
    Answered by: Dean R
    Date published: 2018-01-13
    • y_2019, m_11, d_13, h_24CST
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    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.