The only thing "conservatives" ever conserve, ever have conserved, or ever even intended to conserve, is hierarchical power. Conservatism only happens to line up with "preserving that which currently exists" in the sense that, when conservatism was initially developed, the system that currently existed was monarchy.
Make no mistake: under any system but monarchy/dictatorship, "conservatives'" single purpose will always be to transform it into monarchy/dictatorship as switftly, radically, and even recklessly as they can possibly manage.
Hopefully they'll add one later.