S&S Cycle Big Bore Cylinder & Piston Kit - Harley Milwaukee-Eight Touring

Take your 2017 and newer Harley-Davidson Milwaukee-Eight Touring engine to the next level with an S&S Cycle big bore cylinder and piston kit. This kit is engineered to significantly increase displacement and horsepower over factory M8 specifications, delivering a noticeable punch you'll feel every time you twist the throttle.

Why riders pick this

• Increases displacement and horsepower
• Designed for 2017+ Milwaukee-Eight engines
• Precision-machined pistons and cylinders
• S&S Cycle engineering and quality control

When factory power just isn't enough, S&S Cycle provides the solution with this precision-machined cylinder and piston kit for Milwaukee-Eight Touring models. Designed specifically for 2017+ M8 engines, this kit is built to transform your ride's performance. The meticulous engineering and quality control S&S Cycle is known for ensures repeatable, impressive gains whether your engine is stock or already modified.

Unleash More M8 Power

• Engineered for increased displacement and horsepower on 2017+ M8 Touring engines
• Precision-machined pistons and cylinders ensure optimal fit and performance
• Built with S&S Cycle's renowned engineering and quality control
• Designed to deliver significant performance gains over stock

The Foundation for Serious Performance

This S&S Cycle big bore kit is the ideal foundation for any Milwaukee-Eight rider looking for serious performance upgrades. It provides the necessary cubic inches to support more aggressive cam profiles, advanced tuning, and increased airflow. While horsepower gains will depend on your specific engine tune and other modifications, this kit lays the groundwork for a truly powerful Harley Touring machine.

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 920-0135
• Displacement / Size: 4.250 in x 4.375 in
• Weight: 3.22 lb
• Category: Engine Components / Piston Sets - Powersports

Common questions