To give an extra vintage look to a bobber project we’ve used an aluminum Vintage Primary Case, it is based on a metal case of the sixties.
![Vintage Primaire Case](http://www.l-l-choppers.com/wp-content/uploads/2016/12/Vintage-Primaire-case.jpg)
If your Sportster project needs a ribbed theme then this primary cover with rib (1001165) is a beautiful component to complete the picture.