S&S Cycle 06-17 Dyna Models w/ 4.425in Bore - 4 3/8in Bolt Pattern Crankcase - Wrinkle Black
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. 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 T145
- 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
Crankcase, Wrinkle Black, 4-3/8", Fits 06-17 FXD
