Powertrain Operations Plant Tours now available! Buy Tickets
Ready to Ride? Let us sweeten the deal. See Available Offers.
Ready to Ride? Let us sweeten the deal. See Available Offers.
Dealer Demo Ride Events Now Through October! Learn More.
Ride the miles, earn the rewards, and raise money for heroes.30 Learn More
Make sure this part fits
This part fits your .
This part does not fit your .
This part does not fit your .
This part fits your .
You are purchasing for this VIN: .
VIN required for purchase

Screamin' Eagle Milwaukee-Eight Extreme CNC Ported Cylinder Heads

$1,649.95
Part Number: 16500750
Color: Black Highlighted
Qty
1
Only in stock
Only in stock for pickup

View Similar Items

Item is sold out but can be back ordered:

Learn More

Or be notified when back in stock.

Item is not available but can be preordered:

Learn More

Or be notified when back in stock.

Notify me when this item is available.
Item will be sold in-store only.
Add to Cart

Item Limit Error

Starting at $103/mo with . Check your purchasing power

Designed as part of the 128CI and 131CI Screamin’ Eagle Milwaukee-Eight Stage IV Performance Kit, this Second Generation of Extreme Ported Cylinder Heads has been meticulously designed to optimize air/fuel flow and velocity. Improving on the First Generation of CNC-Ported Milwaukee-Eight Cylinder Heads, the Screamin' Eagle team refined the intake and exhaust ports to maximize the flow of high-velocity air through the 1mm larger valves of 128CI and 131CI engines and fully machined the combustion chamber to optimize combustion efficiency.

...Read More
Description
Details
Rating Snapshot
5
0
4
0
3
0
2
0
1
0
Showing 1-0 of 0
Reviews
Let us know what you think. Write a review
    Showing 1-5 of 6
    Q&A
    Be the first to ask a question. Ask a question
    • Question:
      3/28/2025
      What’s the highest lift cam that can be used with the SE extreme ported heads?
      • Answer:
        Hello Noneya, Please visit your local H-D Dealer for technical assistance. Thanks blairmke
    • Question:
      12/29/2023
      what cc are the combustion chambers?
      none - milwaukee
    • Question:
      9/14/2023
      what springs are included on this set of heads or whats the max valve lift with this spring.
      roadglide - orange county
      • Answer:
        The valve springs on the new cylinder heads have an installed spring height of 1.535 in (38.99 mm), which equals 68.8 lbs (31.21 kg) of seat pressure.
        • Answer:
          The valve springs in these cylinder head assemblies work with cams with up to 0.540 in (13.75 mm) lift, and up to 6800 rpm.
    • Question:
      4/2/2023
      Will these heads work on 124 s
      • Answer:
        Yes they will but they have a larger combustion chamber so compression will drop. Take that into acct when building
    • Question:
      4/2/2023
      Will these heads work with s
      • Answer:
        Robert; I do not understand your question, please resubmit your question. Thanks, LeakyShovel73
        LeakyShovel73
        Helpful?

    Buy Online. Pick Up in Store.

    Your order can be ready for pickup at your dealer in as little as two hours for in-store stocked items.

    H-D Membership

    Free to join!  Members get free shipping over $50, points for purchases and access to the H-D App.

    2025 Let's Ride Challenge

    Through Oct 31st, every mile ridden supports vets.  Join in honoring our heroes.

    H-D™ Visa® Card

    If instantly approved, use your virtual card today to get a Low Introductory APR and the opportunity to earn $100 in H-D Gift Cards.18

    Related Products
    Screamin' Eagle Milwaukee-Eight Extreme CNC Ported Cylinder Heads