S&S CYCLE Crankcase – 4.125″ Bore w/Stock Bolt Pattern – Wrinkle Black – Dyna 310-0856

Description

Features

• 4.125″ bore crankcase can be used as a foundation for a custom engine or replacement for T111
• T124, or T143
• Stock looking, but stronger; thicker wall sections and superior 356-T6 aircraft grade aluminum
• Tough powder coat finishes
• Reinforced front motor mount for extra strength
• Timken® sprocket shaft bearing – Strong enough for the most demanding applications
• Clearanced for strokes up to 4-3/16″ and cams up to 0.720″ lift
• Includes pinion and Timken® bearing
• Manufacturer’s Statement of Origin (MSO) included
• Includes studs and cam bearings installed
• Crankcases are specially machined for the new S&S oil line installation kits sold separately
• Made in the USA
• Requires oil supply line installation kit

Why Shop Tucker Speed?

• Harley-Davidson specialists with real-world parts and performance experience
• Fast shipping
• Expert technical support from a motorcycle shop that knows the products we sell
• Performance parts and accessories we trust on our own motorcycles