Let freedom scream, baby!
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NEW HARLEY-DAVIDSON SCREAMIN? EAGLE 135 STAGE IV CRATE ENGINE SETS NEW PERFORMANCE BENCHMARK
New Wireless Screamin? Eagle Pro Street Performance Tuner Simplifies Engine Set-Up
MILWAUKEE (March 1, 2023) ? Harley-Davidson® riders craving no-compromise performance have a thrilling new option with the introduction of the Screamin’ Eagle® 135ci Stage IV Performance Crate Engine. This complete Milwaukee-Eight® engine for 2021-later Touring models is the new benchmark for factory-engineered American V-Twin performance, offering the most displacement, and the most power, ever created by Harley-Davidson for a street-compliant crate engine. Its development was fueled in part by the efforts of the Harley-Davidson® Screamin? Eagle® factory racing team competing in the MotoAmerica Mission King of the Baggers roadracing series. To simplify set up of high-performance engines Harley-Davidson offers the new wireless Screamin? Eagle® Pro Street Performance Tuner, the only tuner available to maximize performance while being emissions and warranty compliant. Graph provided by Harley-Davidson.
Engineered and tested as a complete collection of high-performance components and assembled from the bottom up at Harley-Davidson Powertrain Operations in Menomonee Falls, Wisconsin, this street-tuned 135-cubic-inch (2212cc) Screamin? Eagle Crate Engine is designed to run with a wide-open throttle at high engine speeds and provide instant pass...