This 4 .425" bore wrinkle black crankcase is specially machined for the new S&S oil line installation kit for 2006-2017 Harley-Davidson® Dyna® models.
Features & Benefits- Stock bore replacement for 06-17 Dyna models
- 41/8 and 4.425" bore crankcases to 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 finish
- Reinforced front motor mount for extra strength
- 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
- Includes pinion and Timken® bearing
- Manufacturer’s Statement of Origin (MSO) included
- Includes studs and cam bearings installed
Requires Oil Supply Line Installation Kit 310-0870
510-0417-big-bore-crankcases-2007-16-bt.pdf
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