S&S, ROCKER SHAFT SET. FOR KN ENGINES

S&S, rocker shaft set. For KN engines

Stock S&S replacement for S&S KN-series (Knucklehead style) engines. Also replacement for S&S 531975 rocker arm and shaft kit. Note: Will not fit OEM knucklehead unless 531975 rocker arm & shaft kit is installed.

Fits: > All S&S KN-series engines; 40-47 Knucklehead equipped with S&S 531975 rockerarm & shaft kit installed only