If you've got an early model Vanagon, this kit is like striking the motherlode. The GoWesty kit allows you to replace the soon-to-be-obsolete pre-filter (you know, the one that clogs really easily and causes the fuel pump to starve and cavitate, thus shortening its life). Even better, it replaces that pre-filter with the late-model Vanagon real-deal Bosch fuel filter after the fuel pump. VW figured out that this was the best way to do things in 1986... and now your pre-86 Vanagon can be outfitted in the same way.

Kit includes all of the parts you need to upgrade your fuel filter system, including a larger and more effective post-fuel pump filter. Detailed instructions included. 

Learn more by reading this article.