9/16" ID pinion bushing. 4 ribs, without tapped hole top for end oiling. 1/4" generator mount holes. Mounting holes must be drilled to 5/16" for use with1958-up generators. Custom replacement for 25216-58. Cast 356-T6 extra strong aluminum cam covers in the same burnished finish as S&S crankcases. CNC precision machined to offer close tolerances. Improves crankcase ventilation and oil-air mist separation via a larger, redesigned baffle chamber. Bushings are installed and reamed to factory specifications. Note: Kit includes a gear cover gasket & hardware.
Fits: > 54-62 B.T. With OEM & S&S cases (NU)