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

06-17 Dyna (NU)

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 Timken® 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.