You could swap in an 893 bulb. The only difference is that the 898 bulb has a right angle base and the 893 has a straight base. Sylvania offers the silverstar in 893. GE nighthawk is also available in 893 and a better bulb than the silverstar.

Foglight Install

Found this as well.
http://www.grandprixforums.net/insta...rix-29325.html