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Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit - 114CI or 117CI to 131CI

$3,974.95
Part Number: 92500082
Color: Black Granite
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Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower – all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It’s designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You’ll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle’s limited warranty. Kit includes: CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec).

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Description
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Rating Snapshot
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11
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Quality
Did Not Meet
Exceeded
Showing 1-5 of 13
Reviews
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  • FEATURED REVIEW
    6/15/2024
    pure power
    Featured H-D Dealership H-D Employee Sweepstakes Entry Verified Purchaser Top 10 Contributor Top 25 Contributor Top 50 Contributor Top 100 Contributor Top 250 Contributor
    Quality
    Did Not Meet
    Exceeded
    I purchased this kit last winter had the dealer install it. what a difference it is every thing I had hoped for. I recently rode from upstate NY to San Antonio Tx I stayed at a cruising speed of 80 to 85 all the way down it was hot 100 degrees . the motor was flawless I now have well over 6000 miles on it. It is a beast I still have the screaming eagle tuner on it till my warranty is up if I can hold out that long. Then I will put it on the dyno and change the license. When I twist the throttle the others riding with me have to drop a gear to stay sort of close . It is awesome. Oh I also went with D read more.
  • FEATURED REVIEW
    4/25/2024
    screaming
    Featured H-D Dealership H-D Employee Sweepstakes Entry Verified Purchaser Top 10 Contributor Top 25 Contributor Top 50 Contributor Top 100 Contributor Top 250 Contributor
    Quality
    Did Not Meet
    Exceeded
    Ok I had the local HD dealer put this kit in my 2020 RG . What a beast I also put a D
  • FEATURED REVIEW
    11/7/2022
    Rocket Ship
    Featured H-D Dealership H-D Employee Sweepstakes Entry Verified Purchaser Top 10 Contributor Top 25 Contributor Top 50 Contributor Top 100 Contributor Top 250 Contributor
    I just bought a 2022 Road Glide ST and had Electric City HD install Screamin' Eagle 131CI kit. This bike has so much more power compared to the stock 117CI! Thrilled with this motor and bike!
    • User review image
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    RIP and Stella - Clarks Summit PA - Motorcycle: Road Glide ST
  • FEATURED REVIEW
    12/4/2021
    Disappointing
    I'm extremely disappointed in HD. You spend over $3,000 dollars on this kit, you would expect to get the same headers as the street cannon package. No, you get headers that you have to drill out and tap to fit 18mm WB O2 sensors. They should just delete the headers and save us money.
    • Mine came with the headers , they must have changed or upgraded the kit . Maybe this review is the reason
      Bertro - Virginia
      7/23/2022
  • FEATURED REVIEW
    9/3/2021
    Just WOW!
    Featured H-D Dealership H-D Employee Sweepstakes Entry Verified Purchaser Top 10 Contributor Top 25 Contributor Top 50 Contributor Top 100 Contributor Top 250 Contributor
    I added this to my 2021 Road Glide Special before I even took delivery. I'm absolutely STUNNED with how hard this motor pulls compared to stock or even friends stage 2 bikes. This build is all about the ponies, so the real excitement kicks between 3,000-3,500 RPM, but when it kicks - HOLD ON! After 5,000 miles with this motor, I can say confidently this is the best money I've spent in a long while. read more.
    Jeff K - St. Charles, MO - Motorcycle: FLTRXS
Showing 1-5 of 23
Q&A
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  • Question:
    4/11/2025
    Ate these kits approved for California yet?
    • Answer:
      California dealers are now taking pre oderers for California legal kits. I have seen posts from Laidlaws Harley Davidson and others stating that. Your best bet is to check with the dealer as all they seem to do on here now is give people the runaround.
  • Question:
    2/24/2025
    I have a 2020 CVO Street Glide with a stage 2 kit installed, full Tab Performance exhaust system (Zomibe mufflers). Does the kit head pipe have to be installed?
    Dark Side - Apopka, FL
    • Answer:
      Hi Dark Side: Due to the nature of your question, please consult with your local dealership. Thanks
      princessv
      Helpful?
  • Question:
    1/14/2025
    Do you have to buy adjustable pushrods ?
    Gliding
    • Answer:
      Hello, This item is sold in stores only. Please call your local HD Dealership with questions. Thanks
  • Question:
    4/6/2023
    CAN I HAVE THIS KIT INSTALLED ON MY 2019 CVO STREET GLIDE CAME WITH 110 MOTOR?
    CLEVELANDER - WORLD FAMOUS IRON HORSE SALOON
    • Answer:
      CLEVELANDER, You might want to check the details on your bike. The 2019 CVO Street Glide came from the Factory with a 117" engine installed (Milwaukee 8), which would accept this kit. 2016 was the last year of the 110 engine in CVO's. (Twin Cam)
      blue84irnhd
      Helpful?
  • Question:
    3/27/2023
    Fixing to have this kit installed with a Woods 77X cam and a dyno tune. Is everything in the kit to do the job or will I have additional parts I need they will need to order?
    Tiny - Mountains of NC
    • Answer:
      In short: no. But you want proper air intake/cleaner
      JED POLAND
      Helpful?
      • Answer:
        Tiny, The kit comes complete and has a cam with it. I would not recommend using the Woods cam as it is not tested for compatibility with the rest of our kit. Also any aftermarket calibration or tuning and other parts can have potential longevity and compatibility issues. I would recommend installing this kit on your bike with the approved Screamin Eagle tuner device and an appropriate calibration and smart tuning it from there with the SE tuning program. read more.
        Billy Bob 2020
        Helpful?

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Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit - 114CI or 117CI to 131CI