S&S Cycle 910-0739A Big Bore Cylinder Set 4.25" Bore Unhoned Black Granite M8

The S&S Cycle 910-0739A is a high-performance big bore cylinder set designed specifically for Harley-Davidson M8 (Milwaukee-Eight) engines. This premium cylinder set features a 4.25-inch bore size, providing increased displacement and power potential for your V-Twin engine.

Key Features:

• 4.250-inch bore size for maximum displacement increase
• Unhoned cylinders allow custom honing to match your specific piston requirements
• Black granite finish with highlighted cooling fins for superior aesthetics
• Constructed from premium aluminum castings with cast-in iron liners for durability
• Bolt-on installation without requiring case splitting or extensive machine work
• Made in the USA with S&S Cycle's legendary quality and precision

This cylinder set is sold as a pair and is compatible with Harley-Davidson Milwaukee-Eight engines. The unhoned design gives engine builders the flexibility to achieve precise bore-to-piston clearances for optimal performance and longevity. Professional installation by a qualified technician is recommended, and all clearances should be verified during assembly.

Note: Not legal for sale or use in California on pollution-controlled motor vehicles.