S&S Cycle 4.250" Big Bore Cylinder Set - Black Granite with Highlighted Fins for Harley Milwaukee-Eight

Elevate your 2017 and newer Harley-Davidson Milwaukee-Eight engine with this S&S Cycle 4.250-inch Big Bore Cylinder Set. These cylinders feature a striking black granite finish with highlighted fins, offering both performance potential and a distinctive aesthetic.

Why riders pick this

• 4.250-inch big bore cylinders for M8 engines
• Black granite finish with striking highlighted fins
• Unhoned, ready for custom final honing and piston fitment
• Includes mounting hardware for installation
• Designed for 2017 and newer Milwaukee-Eight models

Designed for a complete engine rebuild or a significant performance upgrade, these S&S Cycle cylinders arrive unhoned, giving your engine builder the flexibility for final honing and precise piston fitment. This ensures optimal clearances and performance tailored to your specific M8 build, setting the stage for increased displacement and power.

Precision Engineering for Your M8

• Features a 4.250-inch bore for big bore applications
• Stylish black granite finish with highlighted cylinder fins
• Ships unhoned, allowing for custom final honing and piston matching
• Includes all necessary mounting hardware for installation
• Engineered specifically for 2017 and newer Milwaukee-Eight engines

Build Your Ultimate M8 Engine

This cylinder set is ideal for riders embarking on a custom engine project or a high-performance rebuild. While the cylinders are a direct fit for M8 models, the unhoned condition means you'll need to pair them with a suitable piston kit and professional machining to complete your build. This allows for a truly optimized and personalized engine setup.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 910-0739A
• Bore Size: 4.250 in
• Finish: Black granite with highlights
• Condition: Unhoned
• Weight: 24.85 lb
• Category: Engine Components / Piston Sets - Powersports

Common questions