Screamin' Eagle Sportster 883CC to 1200CC Conversion Kit

Part Number 30003-10


Finish / Color: Black Non-Highlighted



Make your Iron 883™ roar. This complete conversion kit will alter the personality of your 883-equipped Sportster® model. Designed to bring your XL883 model up to XL1200 specifications.

  • Black Non-Highlighted
  • Includes Sportster® High-Flow air cleaner kit, XL1200 cylinder heads, XL1200 cylinders, XL1200 pistons and rings, and heavy duty clutch spring, top end gasket kit
  • No case machining is required for installation
  • Street compliant when used with stock mufflers
  • All models require dealer-installed ECM calibration (priced separately)
  • Recalibration is required for proper installation, See Dealer for details, Labor cost not included
  • When installed by an authorized Harley-Davidson® Dealer at the time of vehicle delivery, these kits do not impact the vehicle’s limited warranty

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  • Model
  • These Screamin' Eagle® products are 50-State U.S. EPA compliant for sale and use on all applicable vehicles, including those that are pollution controlled. See Genuine Motor Parts and Accessories or Screamin' Eagle Accessories catalog for fitment information. Screamin' Eagle Performance products are intended for the experienced rider only.
  • Dealer Install Recommended

  • Warranty

    1 year limited warranty – Go to for full details
  • Requires ECM Calibration

  • Sold in Unit

  • In The Box

    Sportster High-Flow air cleaner kit, XL1200 cylinder heads, XL1200 cylinders, XL1200 pistons and rings, and heavy duty clutch spring, top end gasket kit
  • Sold Separately

    Contact your local dealer for details
  • Upgrade Stage Level

    Stage IV
Sportster 883CC to 1200CC Conversion Kit is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from 883 Stage 1 Kit I purchased a 2016 XL883N for my girlfriend last month. The bike was as expected for a 883 Sportster could cruise on the highway at 70 mph easily however it was a struggle at 80 mph. With 110 miles on the bike i had Naples HD install a Stage I 1200 kit, with a Sands 2 into 1 stainless exhaust. THIS BIKE TURNED INTO A MONSTER!!! After 550 miles i had it tuned and dyno'd ... 78 HP and 81 lbs of Torque. In 4th gear it will Scream from 60 MPH to 104 (rev Limiter) very very very very strong and very quick. This is with a 210 lb rider. You will not be disappointed with this upgrade! It will leave my 2016 stock softail in the dust. I would like to ad that with the upgrade the engine runs much smoother, with a much reduced vibration
Date published: 2016-05-07
  • y_2018, m_2, d_26, h_20
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Fuel economy

What would this kit do to the fuel economy in the bike?
Asked by: Trainwreck

2006 883 to 1200 kit

Can I still purchase the 883-1200 kit for my 2006 883R? I know I can get a aftermarket kit but I only want genuine HD parts... I just purchased the bike 10/11/2016, and this is my first harley. If I cannot purchase this kit still, I will either have to find every part individually or sell my Harley and buy a Indian. Will not sell my sport to buy another sporty.
Asked by: Jlc34

Preformance kit for 883 to 1200

I bought a used 2009 883L, I was told it has a stage 1 conversion kit installed, how can I tell if this is so, Thank You
Asked by: Kimy12

What will my Rpm read in 5th gear traveling at 100 kph or 140 kph?

What real time results can I expect from this conversion kit? On my 2015 super low 883; while in 5th gear traveling between 100 to 140 kph my rpm reads between 3000 to 4500+. In similar fashion what rpm will the kit deliver in 100 kph or 140 kph?
Asked by: Demonix

883 Iron 2014 Conversion kit 1200

Good Afternoon. I want to purchase the 1200 conversion kit for my bike but I already own the air intake. Can I purchase it without the airfilter/intake? Thanks NM
Asked by: nicm
Hi NM, Unfortunately, this kit can not be sold without the air intake included. Thanks, FXS78
Answered by: FXS78
Date published: 2015-06-01
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    Prices listed are generally the Manufacturer's Suggested Retail Price (MSRP), excluding taxes and shipping. Prices at local dealerships may vary. All online orders will be fulfilled and shipped by
    Harley-Davidson Motor Company as the agent for the Selling Dealer.