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ProMaxx Performance 183 Series Aluminum Cylinder Heads Small Block Chevy Straight Plug

723-9183


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183 Series Aluminum Cylinder Heads Small Block Chevy Straight Plug
$934.99
183 Series Aluminum Cylinder Heads
  • Small Block Chevy
  • As-Cast
  • D-Port
  • 183cc Intake Ports
  • 64cc Combustion Chambers
  • 2.02'' Intake / 1.60'' Exhaust Valves
  • 3/8'' Rocker Arm Studs
  • .575" Max Lift
  • Steel Retainers
  • Assembled, 2/pkg
  • Free Shipping - Estimated to ship direct from manufacturer on 08/09/21 , pending manufacturer availability. Learn More

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    9183 - ProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from GREAT ITEM Purchased these heads for my street 358 and was amazed when I received them. GREAT looking and seem to be of Dart quality. I am very impressed. If your considering these. Stop Now. And Order them.
    Date published: 2018-03-10
    Rated 5 out of 5 by from Great set of heads! Purchased these heads on thuresday. Had them on Friday. They were packaged well. And the quality blew me away. Well worth the money excellent heads. I HIGHLY recommend!
    Date published: 2017-09-22
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    Are the push rod holes elongated so 1:6 rocker arms can be used?

    Asked by: Huskerrat
    Yes, this head will accept 1.6 ratio rocker arms.
    Answered by: Rusty B
    Date published: 2019-05-15

    Are these heads setup for flat-tappet or roller-rockers?

    Asked by: Robt_
    These springs are for Hydraulic Flat Tappet cam.. All of their heads will work with roller rockers.
    Answered by: BrandonJ
    Date published: 2017-08-23

    Spring Rates?

    Asked by: Robt_
    They list the springs at these specs OD: Top 1.065" Bottom 1.415" ID: Top .650" Bottom 1.000" Seat Pressure: 109 lbs @ 1.800'' Open Pressure: 284 lbs @ 1.175'' Coil Bind: 1.060" Spring Rate: 280 lbs/in
    Answered by: SteveM
    Date published: 2020-07-22
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    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.

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    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.