S&S Cycle Big Bore Cylinder Kit - 4.125" Bore - 124ci - 910-0469

Upgrade your motorcycle's performance with the S&S Cycle 124" Big Bore Cylinder Kit. This kit delivers a significant power boost while maintaining ease of installation. Crafted with high-quality materials and precision engineering, this kit is designed for enthusiasts and professionals seeking maximum performance.

Description

The S&S Cycle Big Bore Cylinder Kit is engineered to provide excellent results with stock cylinder heads. The straightforward installation process eliminates the need for boring or splitting existing cases; simply swap the cylinders for a noticeable increase in power and torque. Constructed from premium aluminum castings with cast-in iron liners, these cylinders offer exceptional durability and heat dissipation. This kit enhances your engine's displacement to 124", providing a substantial upgrade in performance. The 11.4:1 compression ratio optimizes combustion efficiency, further boosting power output and throttle response. Designed and manufactured in the USA, this kit ensures top-tier quality and reliability. This upgrade is ideally suited for experienced technicians.

Features & highlights

• Achieve excellent performance gains while retaining stock cylinder heads.
• Simplified installation process—no case boring or splitting required.
• Premium aluminum cylinders with robust cast-in iron liners for enhanced durability.
• Complete kit includes cylinders, pistons, rings, and essential gaskets.
• Experience a significant increase in engine displacement and overall power.
• Proudly made in the USA, ensuring superior quality and craftsmanship.

Technical specifications

• Brand: S&S Cycle
• Product Name: Cylinder Kit
• Bore Size: 4.125"
• Stroke Length: 4.625"
• Displacement: 124"
• Compression Ratio: 11.4:1
• Material: Aluminum
• Color/Finish: Gray
• Units: Kit

Important to know

This project requires a skilled technician for proper installation. It is the responsibility of the person assembling the parts to verify all clearances and assembly specifications.