S&S, 07-17 crankcase assembly, STD bore. Black

With OEM cylinder stud pattern. Replacement crankcases for Dyna Twin Cam engines. Offered is greater overall strength than OEM cases; especially in the front motor mount; which is an important consideration in high performance applications. CNC machined from high strength heat treated aluminum castings make these S&S cases much more cost effective than billet cases. A Timkenr style sprocket shaft bearing is used to best withstand the most demanding applications. All oil passages between crankcase and gear cover are o-ring sealed. Includes roller bearings for camshaft and pinion shaft and a Timken sprocket shaft bearing. The large cam chest allows a cam lift up to .720" without clearancing. Clearanced for strokes up to 4-13/16". Cases are compatible with stock components like oil pump; cam support plate; gear cover etc. Cases include hardware and installation instructions. Note: See 558666 for required oil line installation kit for Dyna models. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required.