S&S Cycle 910-0401 4.125-inch Black Cylinders for Harley Twin Cam Engines

Upgrade your Harley-Davidson Twin Cam engine with the S&S Cycle 910-0401 cylinders, expertly designed for optimal performance and durability. These cylinders feature a stock bolt pattern, ensuring compatibility with a wide range of Harley models from 1999 to 2017. Bored slightly under nominal size and not honed, they are ideal for custom hot set-up kits, specifically the 124-inch configurations used in high-performance applications. The wrinkle black finish with machined edges provides a sleek, aggressive look that complements any custom build. Crafted in the U.S.A., these cylinders require crankcase machining to ensure proper fitment and performance. Built with high-quality materials, they offer a reliable foundation for your engine rebuild or upgrade, ensuring longevity and consistent power output. Whether you're restoring a vintage Harley or building a performance machine, these cylinders provide a perfect combination of style and function to elevate your riding experience.

Features:

• Designed for 124-inch hot set-up kits used in Harley Davidson Twin Cam engines from 1999 to 2017

• Bored slightly under nominal size for optimal performance and custom fitting

• Not honed, allowing for precise customization during installation

• Wrinkle black finish with machined edges for a sleek, aggressive appearance

• Requires crankcase machining for proper installation and performance

• Made in the USA with high-quality materials for durability and reliability