S&S, 99-06 crankcase assembly, 4-1/8" bore. Polished - 99-06 Twin Cam (excl. 2006 Dyna) (NU) 508385 Arlen Ness 15" Jagged Big

Arlen Ness 15" Jagged Big Brake Rotor Kits

MCS part number 509039

transmission side

Drag Specialties Blockoff Plate/Gasket For PART #1914-1864

S&S, 99-06 crankcase assembly, 4-1/8" bore. Polished - 99-06 Twin Cam (excl. 2006 Dyna) (NU) 508385 Arlen Ness 15" Jagged BigWith 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