Die Cast Rocker Box – Evolution

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.