S&S Cycle M8 Big Bore Kit - 4.320" Bore - 132ci - Black - 910-0909A

Unleash the full potential of your Harley-Davidson Milwaukee-Eight engine with the S&S Cycle 132"/136" Big Bore High Compression Kit. Designed for serious performance enthusiasts, this kit delivers a significant power and torque boost, transforming your ride into a high-performance machine. Experience the thrill of enhanced acceleration and responsiveness across the entire RPM range.

Description

The S&S Cycle Big Bore Kit offers two displacement options: 132" and 136". The 132" high compression configuration is compatible with 114" and 117" engines utilizing 4.5" stroke flywheels. To achieve the maximum 136" displacement, an S&S flywheel with a 4-5/8" stroke is necessary. This kit features high-quality cylinders with highlighted fins for superior cooling and a striking aesthetic. The +8.5cc dome volume contributes to the increased compression, resulting in optimal combustion and maximum power output. Upgrade your engine with confidence, knowing you're getting proven S&S Cycle performance and reliability. Installation requires precision and expertise; professional installation is highly recommended to ensure optimal performance and longevity.

Features & highlights

• Dramatically increases horsepower and torque for superior performance.
• High compression design optimizes combustion for maximum power output.
• Cylinders feature highlighted fins for enhanced cooling and a custom look.
• Available in 132" and 136" displacement options to suit your specific needs.
• Engineered and manufactured by S&S Cycle, a trusted name in high-performance motorcycle components.
• Transform your Milwaukee-Eight into a true powerhouse.

Technical specifications

• Brand: S&S Cycle
• Bore Size: 4.320"
• Displacement: 132", 136"
• Stroke Length: 4.5", 4-5/8"
• Compression: High Compression
• Cylinder Color/Finish: Black, Highlighted Fins
• Dome Volume: +8.5 cc
• Type: Big Bore Kit

Important to know

The 132" high compression kit is designed for use on 114"/117" motors with 4.5" stroke flywheels only. To achieve the 136" big bore configuration, an S&S flywheel with a 4-5/8" stroke is required (sold separately).