S&S, 99-06 crankcase assembly, 4-1/8" bore. Polished - 99-06 Twin Cam (excl. 2006 Dyna) (NU) Rear wheels 18 inch When tilted forward the seat

When tilted forward the seat doubles as a 14" (35

attach with supplied hardware

Fits with up to 1-3/4" diameter frame tubes

For National Cycle Ranger

16-17 Fat Boy S FLSTFBS

S&S, 99-06 crankcase assembly, 4-1/8" bore. Polished - 99-06 Twin Cam (excl. 2006 Dyna) (NU) Rear wheels 18 inch When tilted forward the seatWith 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