S&S Cycle 06-17 Dyna Models w/ 4-1/8in Bore Stock Bolt Pattern Crankcase

This 4 1/8" bore wrinkle black crankcase is specially machined for the new S&S oil line installation kit for 2006-2017 Harley-Davidson® Dyna® models. Stock looking, but stronger - Thicker wall sections and superior 356-T6 aircraft grade aluminum.

• 41/8 and 4.425" bore crankcases to be used as a foundation for a custom engine or replacement for T111, T124, or T144
• Clearanced for strokes up to 4 13/16" and cams up to .720" life
• Includes pinion and Timken® bearing
• Includes studs and cam bearings installed
• Manufacturer's Statement of Origin (MSO) included
• Reinforced front motor mount for extra strength
• Stock bore replacement for 06-17 Dyna models
• Timken® sprocket shaft bearing - Strong enough for the most demanding applications
• Tough powder coat finish

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