Gast Gearcover 1940-48 w/tapped hole for top end oilling

11/16" ID pinion bushing. 8 ribs, with tapped hole for top end oiling. 1/4" gen. mount holes. Drill mount holes to 5/16" for 58-up generators. Custom replacement for OEM 25216-48. 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 1: Kit includes a gear cover gasket & hardware. Note 2: Will not fit Side Valve models. Fits: > 40-E48 OHV B.T. with OEM cases