- 41/8 and 4.425" bore crankcases to be used as a foundation for a custom engine or replacement for T111, T124, or T144
- Timken® sprocket shaft bearing - Strong enough for the most demanding applications
- Clearanced for strokes up to 4 13/16" and cams up to .720" life
- Manufacturer's Statement of Origin (MSO) included
- Reinforced front motor mount for extra strength
- Stock bore replacement for 06-17 Dyna models
- Includes studs and cam bearings installed
- Includes pinion and Timken® bearing
- Tough powder coat finish
The S&S Cycle Part Number 310-0856 crankcase is designed specifically for 2006-2017 Harley-Davidson Dyna models, featuring a 4 1/8 inch bore size that provides a robust foundation for custom engine builds or replacement parts. Crafted from superior 356-T6 aircraft-grade aluminum, this crankcase offers enhanced strength with thicker wall sections while maintaining a stock appearance. Its black wrinkle finish adds a sleek, durable look suitable for high-performance applications. This crankcase is engineered to be compatible with the S&S oil line installation kit, ensuring seamless integration with your existing system. It includes pre-installed studs and cam bearings, simplifying installation and reducing setup time. The reinforced front motor mount adds extra strength to withstand demanding riding conditions, making it an ideal choice for enthusiasts seeking durability and reliability. The crankcase is clearanced to accommodate strokes up to 4 13/16 inches and cams up to .720 inches in lift, providing flexibility for custom engine tuning. It also features a Timken sprocket shaft bearing, known for its robustness and ability to handle high loads, ensuring longevity under strenuous conditions. The package includes a pinion bearing and the manufacturer's statement of origin (MSO), verifying its authenticity and quality. Designed for performance and precision, this crankcase is suitable for a variety of motor configurations, including T111, T124, and T144 engine builds. Its powder coat finish not only enhances durability but also provides a professional, finished look to your engine assembly. Whether you're building a custom engine or replacing a worn part, the S&S Cycle 4 1/8 inch bore crankcase offers strength, compatibility, and reliability for your Harley-Davidson Dyna motorcycle.
Features:
- Made from 356-T6 aircraft-grade aluminum for superior strength and durability
- Black wrinkle powder coat finish for a sleek, durable surface
- Pre-installed studs and cam bearings for easy installation
- Reinforced front motor mount for added strength in demanding applications
- Clearanced for strokes up to 4 13/16 inches and cams up to .720 inches in lift
- Includes Timken sprocket shaft bearing capable of handling high loads
- Manufacturers Statement of Origin (MSO) included for authenticity
- Designed specifically for 2006-2017 Harley-Davidson Dyna models with 4 1/8 inch bore
- Compatibility with custom engine builds such as T111, T124, or T144
