S&S CYCLE Die Cast Rocker Box - Twin Cam 90-4110

Positive O-ring seal ensures leak-free operation Can be installed with the stock engine in the frame in most applications Include rocker boxes, gaskets and mounting bolts Assembler must supply rocker shafts and rocker arms for all rocker boxes Rocker arm supports included Installation on Buell models requires removal of some material from the front motor mount Made in the U.S.A. It is the engine builder's responsibility to confirm all operating clearances.