S&S Cycle Crankcase - Black - 310-0878

The S&S Cycle Crankcase for Dyna models offers a robust foundation for your custom engine build or serves as a high-performance replacement. Designed with enhanced strength and reliability in mind, this crankcase ensures your engine can handle demanding applications.

Description

This 4.125" bore crankcase provides a stock appearance with significant internal improvements. Constructed from superior 356-T6 aircraft-grade aluminum, it features thicker wall sections for added durability. The tough powder-coated finish not only looks great but also provides excellent protection against the elements. A reinforced front motor mount adds extra strength where it's needed most. Equipped with a Timken® sprocket shaft bearing, this crankcase is built to withstand high-stress environments. It's clearanced for strokes up to 4-3/16" and cams up to 0.720" lift, offering flexibility for performance upgrades. Each crankcase includes a pinion and Timken® bearing, along with studs and installed cam bearings. The crankcases are specially machined for use with S&S oil line installation kits. Proudly made in the USA, this crankcase comes with a Manufacturer's Statement of Origin (MSO).

Features & highlights

• Provides a stronger foundation for custom engines or serves as a replacement for T111, T124, and T143 engines.
• Constructed from high-quality 356-T6 aircraft-grade aluminum for exceptional strength and durability.
• Features a reinforced front motor mount to withstand high-performance demands.
• Clearanced for strokes up to 4-3/16" and cams up to 0.720" lift, allowing for extensive performance modifications.
• Includes essential components such as pinion and Timken® bearing, studs, and installed cam bearings.
• Finished with a tough powder coating for enhanced protection and a sleek look.
• Made in the USA with a Manufacturer's Statement of Origin (MSO) included.

Technical specifications

• Brand: S&S Cycle
• Product Name: Crankcase
• Bore Size: 4.125"
• Material: 356 T-6 Aluminum
• Color/Finish: Powder-Coated, Wrinkle Black
• Units: Each

Important to know

This crankcase requires an oil supply line installation kit, which is sold separately.