Oil Breather Box Kit Polished Aluminium: Beetle (1960-1979), T2 Bay (1968-1979), T25 (1980-1983)Performance aluminium breather box kit. The breather box is supplied with hose fittings for the rocker covers, breather hose, hose clips and mounting hardware. A breather kit is designed to relieve excess crankcase pressure without oil spillage. It connects to the rocker cover and oil filler. You may want to replace the breather hose with a quality version. Beetle 1960 1979 & Beetle Cabrio 1960 1979 Karmann Ghia 1960 1974 T2 Bay 1968 1979 T2 Split