S&S Die Cast Rocker Box - Evolution Big Twin / Buell / XL

The S&S Die Cast Rocker Box keeps your valvetrain strong and stable with performance cams and higher RPM. It is made from die-cast.

Fits 1994-2002 Buell models and Harley-Davidson models from 1984-2003. Check the fitment chart below to confirm your exact year and model.

• Positive O-ring seal ensures leak-free operation
• Includes rocker boxes, gaskets and mounting bolts
• Rocker arm supports included
• Made in the USA
• Can be installed with the stock engine in the frame in most applications.
• Assembler must supply rocker shafts and rocker arms for all rocker boxes.
• It is the engine builder's responsibility to confirm all operating clearances.