Leave other riders in the dust with the biggest, most powerful street-compliant crate performance engine Harley-Davidson has ever created. Built from the bottom up in Milwaukee, this street-tuned 131-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 135 ft-lb of torque to the rear wheel as soon as the throttle is cranked. Stage IV equipped engine includes 131 Stage IV badging on the cylinder heads and timer cover to highlight the powerplant. Ready for bolt-in installation in the Original Equipment-style chassis of your Softail® bike. No special fabrication or engine-mount relocation is required. Engine features one-year manufacturer’s warranty for unmatched confidence. Eligible for coverage under factory vehicle warranty when dealer-installed within 60 days of vehicle purchase.
Performance components include:
• Engraved CNC-ported cylinder head with CNC- machined chamber and 1mm larger valves
• SE8-517 high-lift cam
• High-compression 10.7:1 forged pistons.
• High-performance cam bearing
• High-performance tappets
• Patent-protected 4.31" steel sleeve cylinders.
• 64mm throttle body and cast manifold • 5.5 g/sec fuel injector
FITS: '18-later Softail models (except FXFB and FXFBS). Requires separate purchase of Cam Drive Retention Kit P/N 25928-06. '18-'19 models require separate purchase of High-Capacity Oil Pump P/N 62400247. FXDR114 models require the separate purchase of 65600300. All models require ECM Calibration with Screamin' Eagle Pro Street Tuner for proper installation.
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