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S&S Cycle Power Package For Harley Oil Cooled 114″ / 117″ Milwaukee-Eight 2017-2026

Price range: $3,149.99 through $3,349.99

Item: P11834

The S&S Cycle Power Package is a professional-grade engine upgrade designed to maximize horsepower and structural combustion integrity for your 114″ or 117″ Milwaukee-Eight Harley.

  • Precision Big Bore Cylinders: Features a high-output, bolt-on displacement architecture, providing a professional mechanical barrier against power loss and low-end torque lag.
  • S&S 550 Performance Cam: Specifically engineered with specialized high-lift profiles to ensure total mechanical synchronization with the M8 valvetrain and four-valve heads.
  • High-Compression Forged Pistons: Designed for total mechanical synchronization with extreme thermal loads, providing a high-output, rigid foundation for secure engine longevity.
  • Matched Oil Pump & Cam Plate: Equipped with premium fluid management components to provide a secure mechanical foundation and elite protection against pressure drops.

[The Professional Choice for M8 Performance, Delivering Unmatched Torque Stability and S&S Cycle Engineering Precision]

S&S Cycle Power Package For Harley Oil Cooled 114″ / 117″ Milwaukee-Eight 2017-2026

S&S Power Package: Mastering the 2017-2026 M8 114/117 Power Standard

The S&S Cycle Power Package for Harley-Davidson Oil Cooled 114″ / 117″ Milwaukee-Eight (2017-2026) represents the pinnacle of streamlined engine architecture for the serious performance enthusiast. For the rider of a modern Road Glide ST, Street Glide Special, or Low Rider S who values the precision of a competition-grade displacement signature as much as long-term structural durability, the challenge has always been finding a complete internal system that bridges the gap between raw, performance-oriented displacement and elite factory-integrated reliability. The S&S Cycle system addresses these concerns by providing a rigid, precision-engineered foundation, designed to maximize thermal management and center-of-gravity stability. This design provides secure, mechanical utility by utilizing a refined, bolt-on geometry, effectively providing a high-output structural delivery that prevents power fade and optimizes balance during high-velocity urban runs and aggressive highway sprints. This provides the mechanical synchronization of internal combustion management and elite motorcycle management needed to keep the rider confident, maximizing the efficiency of your performance run.

Material Innovation and Industrial Precision

What sets the S&S Cycle assembly apart in the marketplace is the uncompromising focus on structural stability and material durability. In the high-performance M8 scene, engine integrity is paramount; however, this system features robust, forged aluminum pistons and ductile iron cylinder liners that ensure the reciprocating mass remains synchronized perfectly without compromising the integrity of the critical crankcase interface over years of heavy-duty use. The high-quality machining finish is engineered for secure, long-lasting aesthetic appeal, providing a high-output, uniform surface that resists heat fatigue and harsh environment wear. Every unit is manufactured to exacting tolerances in the USA, featuring specialized oil-control rings for secure, vibration-free operation on all Oil Cooled M8 models from 2017 through 2026. Whether you are navigating technical city streets or cruising through mountain passes, S&S ensures your engine interface remains synchronized by professional-grade engineering integrity.

S&S Power Package Technical Specifications

  • Compatibility: Fits 2017-2026 Harley-Davidson M8 114CI and 117CI oil-cooled engines.
  • Displacement: Massive increase for total mechanical synchronization with elite horsepower demands.
  • Cams: Includes S&S 550 Performance Chain Drive Cam for a secure, professional-grade valvetrain path.
  • Components: Includes high-flow oil pump, cam plate, tappets, and adjustable pushrods for optimized structural reliability.
  • Installation: Bolt-on cylinders—no case machining required for a secure, high-energy mechanical bond.
  • Pistons: 11.0:1 compression forged pistons for total mechanical synchronization with pump premium fuel.
  • Compatibility: Perfectly suited for performance builds demanding massive reliability and a classic S&S signature.

Expert Fitment & Performance Advice

As specialists in motorcycle engine dynamics, we recommend the S&S Power Package for any build where “unmatched torque delivery” and “professional-grade racing capability” are the mission priorities. Pro Tip: To achieve your perfect setup, pair this kit with high-flow injectors and a 55mm or larger throttle body; the secure mechanical balance of your fuel and air delivery is vital for maintaining a confident, high-power output. Installation Note: This kit is specifically calibrated for 2017-2026 M8 114/117 oil-cooled requirements for total chassis synchronization of your high-output machine. Maintenance Note: Regularly check your oil pressure and temperature to maintain the high-output mechanical integrity of the engine assembly. Performance Note: Always verify that your ECU tuning and ignition timing are seated to a secure, mechanical specification to ensure the system performs as designed during a high-speed touring scenario.

The Professional Standard for Premium Engine Integrity

Choosing the S&S Cycle Power Package means investing in unmatched mechanical stability and a refined engineering signature. It offers a unique combination of modern material science and bold design that honors the performance legacy of the S&S brand. For the rider who wants a high-output presence and a flawless engineering finish, S&S Cycle is the unmatched leader. Secure the ride, master the road, and ride with confidence.

 

Product Style AmericanV-twin Item # Catalog Number Store Sku MFR. Product # Availability
No Highlight / Chrome Pushrod Tubes / Chain Drive 55124 55124 310-1105C In Stock: Ships within 24 hours
Chain Drive / Highlighted Fins / Chrome Pushrod Tubes 55125 55125 310-1103C Only 3 Left: Ships within 24 hours
No Highlight / Chrome Pushrod Tubes / Gear Drive 55121 55121 310-1106C Only 4 Left: Ships within 24 hours
Gear Drive / Highlighted Fins / Chrome Pushrod Tubes 55122 55122 310-1104C Only 5 Left: Ships within 24 hours
Black Granite w/ Highlighted Fins / Chrome Pushrod Tubes / Gear Drive 55123 55123 310-1110C In Stock: Ships within 24 hours

This Product Fits

Harley Davidson
Electra Glide Highway King FLHFB 2023
Freewheeler FLRT 2019-2025
Road Glide 3 FLTRT 2023, 2024, 2025, 2026
Road Glide CVO/SE FLTRXSE 2018, 2019, 2020, 2021, 2022
Road Glide FLTRX 2023, 2024, 2025, 2026
Road Glide Limited FLTRXL 2026
Road Glide Special FLTRXS 2019, 2020, 2021, 2022, 2023
Road Glide ST FLTRXST 2022, 2023
Road King Special FLHRXS 2019-2025
Softail Breakout 114 FXBRS 2018, 2019, 2020
Softail Breakout 117 FXBR 2023, 2024, 2025, 2026
Softail Fat Bob 114 FXFBS 2018-2023
Softail Fat Boy 114 FLFBS 2018-2024
Softail Fat Boy FLFB 2025, 2026
Softail FXDR 114 FXDRS 2019, 2020
Softail Heritage Classic 114 FLHCS 2018-2024
Softail Heritage Classic FLHC 2025, 2026
Softail Low Rider S FXLRS 2020-2026
Softail Low Rider ST FXLRST 2022, 2023, 2024, 2025, 2026
Softail Pro Street Breakout CVO/SE FXSE 2017
Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024
Softail Street Bob FXBB 2025, 2026
Street Glide CVO/SE FLHXSE 2018, 2019, 2020, 2021, 2022
Street Glide FLHX/I 2023, 2024, 2025, 2026
Street Glide Limited FLHXL 2026
Street Glide Special FLHXS 2019, 2020, 2021, 2022, 2023
Street Glide ST FLHXST 2022, 2023
Street Glide Ultra FLHXU 2025

Types

Chain Drive, Gear Drive

Finish

Black Granite w/ Highlighted fins / Chrome Pushrod Tubes, Highlighted Fins / Chrome Pushrod Tubes, No Highlight / Chrome Pushrod Tubes

S&S Cycle Power Package For Harley Oil Cooled 114" / 117" Milwaukee-Eight 2017-2026S&S Cycle Power Package For Harley Oil Cooled 114″ / 117″ Milwaukee-Eight 2017-2026
Price range: $3,149.99 through $3,349.99Select options
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