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Harley-Davidson has introduced the brand new Screamin’ Eagle 135ci Stage IV Crate Engine for authentic, equipment-style 2021-later Harley-Davidson Touring fashions. Impressed by the Harley-Davidson Screamin’ Eagle King of the Baggers manufacturing facility racing workforce and boasting probably the most displacement ever on an H-D crate engine, the Screamin’ Eagle 135 makes a claimed 130 hp and 143 lb-ft of torque on the rear wheel. MSRP is $7,995.95. For extra info, learn the press launch under from Harley-Davidson.
Milwaukee, WI (March 1, 2023) – Harley-Davidson riders craving no-compromise efficiency have an exhilarating new possibility with the introduction of the Screamin’ Eagle 135ci Stage IV Efficiency Crate Engine. This entire Milwaukee-Eight engine for 2021-later Touring fashions is the brand new benchmark for factory-engineered American V-Twin efficiency, providing probably the most displacement, and probably the most energy, ever created by Harley-Davidson for a street-compliant crate engine.
The engine’s growth was fueled partially by the efforts of the Harley-Davidson Screamin’ Eagle manufacturing facility racing workforce competing within the MotoAmerica Mission King of the Baggers roadracing sequence. To simplify arrange of high-performance engines Harley-Davidson affords the brand new wi-fi Screamin’ Eagle Professional Avenue Efficiency Tuner, the one tuner out there to maximise efficiency whereas being emissions and guarantee compliant.
Commercial
Engineered and examined as an entire assortment of high-performance elements and assembled from the underside 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 excessive engine speeds and supply instantaneous passing energy from cruising velocity. The engine delivers 143 lb-ft of rear-wheel torque at 3500 rpm and 130 rear-wheel hp at 5500 rpm – roughly 28 p.c extra torque and 41 p.c extra horsepower on the rear wheel than a manufacturing Milwaukee-Eight 117 engine.
Associated: Harley-Davidson Declares Screamin’ Eagle 131 Crate Engine For Choose Softail Fashions
This street-ready efficiency engine options the next premium Screamin’ Eagle elements:
- New 68mm throttle physique and matching CNC-machined consumption manifold, initially developed for Harley-Davidson Screamin’ Eagle manufacturing facility racing workforce engines, to maximise airflow to the engine.
- Screamin’ Eagle Excessive CNC-ported cylinder heads present considerably improved effectivity of cylinder filling, resulting in extra explosive energy and elevated rear-wheel torque when in comparison with inventory. Excessive-performance valve springs stay steady with the high-lift cam and in high-rpm operation.
- Screamin’ Eagle Professional Billet Cam Plate and Oil Pump gives increased strain when the oil is sizzling to maintain strain drops to a minimal.
- New 10.7:1 high-compression cast pistons.
- SE8-517 high-lift camshaft, high-performance cam bearing and high-performance tappets.
- Patent-protected 4.31-inch metal sleeve cylinders and new 4 5/8-inch flywheel (bore x stroke is 4.31 x 4.625).
- New high-capacity 6.8 gram/second gas injectors.
- Screamin’ Eagle Ventilator Excessive Air Cleaner and Screamin’ Eagle Avenue Cannon mufflers (every offered individually) should not required however are extremely beneficial for peak efficiency.
The Screamin’ Eagle 135ci Stage IV Efficiency Crate Engine is meant for bolt-in set up in an authentic equipment-style 2021-later Harley-Davidson Touring chassis. No particular fabrication or engine-mount relocation is required. The engine is backed by as much as two-year producer’s guarantee for unmatched confidence when dealer-installed via the Customized Protection program.
See all of Rider‘s Harley-Davidson protection right here.
With an MSRP of $7,999.95, the Screamin’ Eagle 135ci Stage IV Efficiency Crate Engine is obtainable in Black or Chrome end with 135 Stage IV badging on the cylinder heads and timer cowl.
Two variations of the engine might be provided: For 2021-later Touring fashions outfitted with Air/Oil-Cooled Milwaukee-Eight engine, and for 2021-later Touring fashions outfitted with a Twin-Cooled Milwaukee-Eight engine. The engine doesn’t match Trike fashions. Set up requires the separate buy of Head Pipe P/N 65600177. Air-Cooled fashions require Oil Cooler Fan Help P/N 62700204 or Fan for Manufacturing facility Oil Cooler P/N 26800195. All fashions require ECM recalibration with Screamin’ Eagle Professional Avenue Tuner for correct set up. Doesn’t match California fashions.
Discover extra info at Harley-Davidson’s web site.
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