Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

Maximize the horsepower and torque available for your street-compliant Sportster® model. This complete engine package includes all the components you need to build a high-performance ride while still retaining the original factory warranty. Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

• Black Highlighted Heads

• Installation of this Stage IV Street Performance Kit does not require removal of the powertrain from the chassis

• Includes CNC-ported cylinder heads with performance valve springs, SE XL SE-585 cams, forged hi-compression 10.5:1 pistons and rings, 58mm throttle body and intake manifold, and top end gasket kit

• All EFI-equipped models require dealer-installed ECM calibration download or use of tunable Screamin’ Eagle® Street Tuner Kit (priced separately)

• Recalibration is required for proper installation, See Dealer for details, Labor cost not included

• When installed by an authorized Harley-Davidson® Dealer at the time of vehicle delivery, these kits do not impact the vehicle’s limited warranty

Fits ’14-later XL1200 models. Requires separate purchase of 58mm compatible accessory air cleaner. All models require ECM calibration for proper installation. ’17-later models require recalibration with Screamin’ Eagle Pro Street Tuner (sold separately) or dealership installed Screamin’ Eagle calibration. Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

The Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041 is a complete, high-performance engine upgrade designed for ’14-later XL1200 Sportster® motorcycles equipped with fuel injection. Built by Harley-Davidson’s Screamin’ Eagle performance division, this Stage IV kit is engineered to maximize horsepower and torque while preserving the bike’s street-compliant status and maintaining the original limited factory warranty when installed by an authorized dealer. Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

This kit is an all-inclusive power package that delivers a dramatic performance increase over the stock 1200 cc engine. It includes CNC-ported cylinder heads with performance valve springs that improve airflow and combustion efficiency, allowing the engine to breathe better at higher speeds. High-lift Screamin’ Eagle XL SE-585 cams enhance valve timing for stronger output throughout the rev range. Forged high-compression 10.5:1 pistons and rings increase combustion force for improved throttle response, smoother acceleration, and greater overall performance. Rounding out the core upgrades are a 58 mm throttle body and intake manifold that increase air and fuel flow to the combustion chambers, which boosts power delivery and throttle responsiveness. A complete top-end gasket kit is also included to ensure a proper seal during installation. Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

Installation of this Stage IV Street Performance Kit is designed to be straightforward for a trained technician and does not require removal of the powertrain from the chassis, reducing installation complexity. However, all EFI-equipped models require recalibration of the engine control module (ECM) for proper performance, which can be performed by an authorized Harley-Davidson dealer or by using a compatible Screamin’ Eagle Street Tuner Kit (sold separately). It’s important to note that a 58 mm compatible accessory air cleaner must also be purchased separately to complete the installation. Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

This Stage IV kit is specifically tailored for Street-legal Sportster® riders who want a significant engine upgrade without sacrificing street compliance. Fits ’14-later XL1200 models, and when installed by a dealer at the time of vehicle delivery, it does not affect the motorcycle’s limited warranty. Recalibration and proper installation by trained professionals are strongly recommended. (Harley-Davidson) Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041

In summary, this Screamin’ Eagle Stage IV Street Performance Kit is an advanced bolt-on performance solution that elevates the output of the Sportster® 1200 engine with precision-engineered components, delivering increased power, torque, and throttle response for spirited street riding. Harley-Davidson Screamin’ Eagle Stage IV Street Performance Kit 92500041