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Description

S&S, 99-06 crankcase assembly, 3-3/4" STD bore. BlackReplacement crankcases for Touring and 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

Note: 97-01 models equipped with stock air fork will require the additional purchase of H-D OEM 45419-80 (two) and 45733-48 (two) to install

- Large lid opening for ease of access to

5-speed twin cam transmissions

Improves grip

921569 front fenders

no chipping

The sole is resin based that’s curated for extra grip on the road

571025 and 571023 clutches

All chrome finish

complete with catalyst converters

The asymmetrical design places a preload adjuster over a progressive rate spring in one leg and an aluminum monotube

Distance between mounting holes is 2-5/8" (66