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This stock bore, alternator style, wrinkle black crankcase is specially machined for the new S&S oil line installation kit for 2006-2017 Harley-Davidson® Dyna® models.

Crankcase for 2006-'17 HD® Dyna® Models with Stock Bore, Alternator Style - Wrin

SKU: 310-0878
    • 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


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