Harley Softail Rear Fender
Are there large headlamps and rear fender Harley Sportster Shovelhead style?

Are there larger (Fatboy softail or fog), a larger tank, and Shovelhead style rear fender to fit a harley sportster?

Not available anythign imaginable. There are dozens, probably hundreds of suppliers, start by looking at JP cycles.com. Look through the ads in the back of any magazine of bikes to more places.

Harley Softail Rear Fender

2007 Harley Davidson FLSTF Softail Fat Boy