S&S, SPORTSTER CRANKCASE ASSEMBLY. 4" BIG BORE. NATURAL

S&S, Sportster crankcase assembly. 4" big bore. Natural

Natural finish. Custom replacement SuperStock crankcases for 86-03 Sportster models, will fit all 86-03 frames. Can be used with stock, or stock-like, components but in all cases a 91-03 5-speed transmission, clutch, alternator and flywheel assembly must be used. Needle style cam bearings are used. Can be used with all 86-13 XL oil pumps. A special S&S billet transmission trapdoor is included, with bearings and bushings pre-installed. For use with 86-90 style multiple parts pushrod covers, for access to adjustable pushrods. Billet tappet guides and an oil filter mount are included. Comes with a comprehensive instruction manual. Note: Comes with 86-90 cam geometry. Requires 5-speed transmission & primary components. Note: Includes all required bearings and hardware. Note: Requires use of S&S cam cover gasket. (Part #31-2099) which is no longer available. Note: Not compatible with stock flywheels. 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.

Fits: > 86-03 XL (NU)