S&S Cycle 117" Big Bore Cylinder Kit - Wrinkle Black - Twin Cam 910-0221

Enhance your Harley-Davidson Twin Cam engine with the S&S Cycle 117-inch Big Bore Cylinder Kit, model 910-0221, finished in durable wrinkle black. This high-performance kit is designed for easy installation, allowing you to upgrade your engine without the need to bore or split existing cases. Simply swap out the cylinders for increased displacement and power, making it an ideal choice for experienced technicians seeking reliable, straightforward upgrades.
Constructed from premium aluminum castings with cast-in iron liners, these cylinders provide excellent durability and heat resistance. The kit includes everything necessary for installation: cylinders, pistons, rings, and gaskets for the head, base, and exhaust. As with all engine modifications, proper assembly and clearance checks are critical to ensure optimal performance and longevity. This product is made in the USA, reflecting high manufacturing standards and quality control.
Designed to work seamlessly with stock cylinder heads, the S&S Cycle 117" Big Bore Cylinder Kit delivers significant performance gains while maintaining compatibility with existing engine components. Whether you're building a custom motorcycle or upgrading an existing setup, this kit provides a reliable foundation for increased horsepower and torque. For best results, a skilled technician should perform the installation, paying close attention to all assembly specifications and clearances to ensure a safe, efficient upgrade.

Features:

• Big bore kit increases engine displacement to 117 inches for enhanced performance

• Easy installation: requires only swapping cylinders, no need to bore or split cases

• Constructed from premium aluminum castings with cast-in iron liners for durability

• Includes cylinders, pistons, rings, and all necessary gaskets (head, base, exhaust)

• Finished in durable wrinkle black for a sleek, corrosion-resistant appearance

• Designed to work with stock cylinder heads for compatibility and ease of upgrade

• Made in the USA with high-quality manufacturing standards

• Suitable for experienced technicians familiar with Harley-Davidson engine assembly