S&S, 99-06 crankcase assembly, 4-1/8" bore. Polished - 99-06 Twin Cam (excl. 2006 Dyna) (NU) 508385 4-1/2" SpotlightsAvailable in a chrome

4-1/2" SpotlightsAvailable in a chrome or gloss black finish with a clear lens

We didn’t stop at style and quality

transmission side

bushings and axles

Chrome Intake Manifold FlangeReplacement intake manifold seals also available

S&S, 99-06 crankcase assembly, 4-1/8" bore. Polished - 99-06 Twin Cam (excl. 2006 Dyna) (NU) 508385 4-1/2" SpotlightsAvailable in a chromeWith S&S cylinder stud pattern. Replacement 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