Integrated Engineering AN-10 Valve Cover/Block Breather Adaptor KitIE's 10AN Block Breather Adapter is a quick and simple solution to add threaded outlet fittings to your stock block breather and valve cover breather on the 1. 8T 20V 06A engines. A perfect solution for custom breather systems or catch can setups. This kit includes both IE in house CNC machined breather fittings needed to start your custom AN line catch can project at a bundled discount price. The block breather fitting installs in place of the