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Screamin' Eagle 135CI Stage IV Performance Crate Engine

Part Number: 16200979
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For the rider demanding no-compromise performance. This is the most displacement, and the most power, ever created by Harley-Davidson for a street-compliant crate performance engine. Engineered by the pros at Harley-Davidson and built from the bottom up in Milwaukee, this street-tuned 135-cubic-inch Screamin’ Eagle® Crate Engine is designed to run with a wide-open throttle at high engine speeds and provide instant passing power from cruising speed. Made for riders seeking maximum displacement, compression, and flow, it delivers 144 horsepower and 149 ft-lb of torque to the rear wheel! The 135ci engine compression ratio is 11.6:1. Exclusive 135 and Stage IV badging on the cylinder heads, and timer cover to highlight the powerplant. This street-ready performance motor features the finest Screamin’ Eagle® components. Many of these new components were informed by extensive testing by the Harley-Davidson Factory Racing Team for the King of the Baggers racing series. The 135ci Crate engine consists of: All-new Screamin' Eagle® Extreme CNC-ported cylinder heads, new SE8-550 high-lift cam, new high-compression forged pistons, 68mm throttle body and new CNC-machined Extreme Flow 68mm intake manifold, high-performance cam bearing, high-performance tappets, new patent-protected 4.31" steel sleeve cylinders, 4 5/8" flywheel, 6.8 g/sec fuel injectors, and Screamin' Eagle® Pro Billet Cam Plate and Oil Pump.

  • Black Highlighted / Chrome finish

  • We've done your homework - Engineered and tested as a complete collection of high-performance components by the Screamin’ Eagle pros at Harley-Davidson

  • This combination is designed for wide open throttle along with high end RPMs and a significant torque increase from a cruising speed

  • Ready for bolt-in installation in the Original Equipment-style chassis of your Touring bike. For models originally equipped with Variable Valve Timing (VVT), VVT will not be retained with this performance crate engine.

  • No special fabrication or engine-mount relocation is require

  • Factory assembled at the Powertrain Operations facility in Milwaukee, Wisconsin

  • Screamin’ Eagle products are not available for sale and are not street legal in all countries. Please contact your local dealer for more information

Fits '23-later FLHXSE and FLTRXSE, '24-later FLHX, FLTRX, FLTRXSTSE and '26-later Touring models. Requires separate purchase of Head Pipe P/N 65600177. '23-'24 models require separate purchase of cylinder head retrofit kit P/N 29900147. Requires ECM recalibration with Pro Street Tuner for proper installation. Does not fit California models.

Installation Instructions

Dealer Install Recommended:

Yes

ECM Calibration Required:

Yes

Sold Seperately:

See Fitment for details

Sold In Units:

Each

Screamin' Eagle Stage Upgrade:

Stage IV

In the Box:

See Description above for details

Certification:

49-State U.S. EPA compliant

Notes:

Replacement engines must be re-fitted with emission control devices and systems appropriate for the vehicle model and model year in order to ensure emissions compliance. Failure to do so constitutes tampering under U.S. EPA guidelines and can lead to substantial fines and penalties.

Harley-Davidson® motorcycles modified with some Screamin’ Eagle® Performance products must not be used on public roads and, in some cases, may be restricted to closed-course competition. These performance parts are 49-state U.S. EPA compliant but are NOT compliant for sale or use in California on pollution-controlled motor vehicles. California guidelines on tampering can also lead to substantial fines and penalties. Screamin’ Eagle® Performance products are intended for the experienced rider only.

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