Harley-Davidson Screamin' Eagle Stage IV Kit 117CI to 131CI

Harley-Davidson Screamin' Eagle Stage IV Kit 117CI to 131CI

92500146
$5,376.93
  • Free shipping on orders over $150, Australia-wide
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Engineered for riders demanding maximum performance, this Screamin' Eagle Stage IV Kit elevates your engine from 117CI to 131CI to deliver instant torque throughout the entire RPM range. Developed with insights from extensive Harley-Davidson Factory Racing Team testing, this collection of high-performance components maximizes displacement, compression, and power output.

The system features Extreme CNC-ported cylinder heads, a 68mm throttle body with matching cast intake manifold, an SE8-550 high-lift cam, and 6.8 g/sec fuel injectors to supply high-volume air and fuel flow. Forged high-compression pistons, high-performance tappets, and 10.9 cm (4.31") steel sleeve cylinders ensure durable power delivery, all installable without removing the engine from the chassis.

Key Features

ECM Calibration Required Yes
Sold Separately Screamin' Eagle Pro Street Tuner
Sold In Units Each
Screamin' Eagle Stage Upgrade Stage IV
Brand Harley-Davidson
Fitment Fits '25-later Softail models
Displacement Increase 117CI to 131CI
Throttle Body Diameter 68 mm
Cylinder Bore Diameter 10.9 cm
Fuel Injector Flow Rate 6.8 g/sec
Camshaft SE8-550 High-Lift
Compliance 49-State U.S. EPA Compliant
Finish Black Highlighted
Estimated Shipping Weight 18.5 kg

Highlights

  • Upgrades engine displacement from 117CI to 131CI for significant torque and horsepower gains.
  • Features Screamin' Eagle Extreme CNC-ported cylinder heads and SE8-550 high-lift cam.
  • Equipped with a 68mm throttle body, cast intake manifold, and 6.8 g/sec injectors.
  • Engineered for installation without removing the engine from the chassis.
  • Includes forged high-compression pistons and durable 10.9 cm steel sleeve cylinders.

Sizing & fit

Fits '25-later Softail models. Proper operation requires ECM recalibration using the Screamin' Eagle Pro Street Tuner (sold separately). Note: '26-earlier California models order P/N 92500147.

Compatibility

Fits '25-later Softail ® models. Requires ECM recalibration with Screamin Eagle ® Pro Street Tuner for proper installation. '26-earlier California models order P/N 92500147.

Installation Instructions

Warranty

1 year limited warranty – Go to www.h-d.com/warranty for full details

What's included

  • Screamin' Eagle Extreme CNC-ported cylinder heads
  • 68mm throttle body and cast 68mm intake manifold
  • SE8-550 high-lift camshaft
  • 6.8 g/sec high-flow fuel injectors
  • Forged high-compression pistons and rings
  • 10.9 cm (4.31") steel sleeve cylinders
  • High-performance tappets
  • Screamin' Eagle and Stage IV cylinder head and timer cover badging

Frequently asked questions

What models are compatible with this Stage IV kit?

This kit fits '25-later Softail models.

Is ECM calibration required after installation?

Yes, proper installation requires ECM recalibration using the Screamin' Eagle Pro Street Tuner, which is sold separately.

Can this kit be installed without removing the engine?

Yes, the components can be installed without removing the engine from the chassis.

What is the EPA compliance status of this kit?

This kit is 49-State U.S. EPA compliant and is not compliant for sale or use on pollution-controlled motor vehicles in California.