Malpassi Filter King Fuel Pressure Regulator, 67mm, 6/8mm Unions: Beetle (1950-1979), T2 Bay (1968-1979), T2 Split Bus (1950-1967)These fuel pressure regulators have been part of a competition fuel system, and a common sight on motorsport vehicles over the past 25 years. The FILTER KING is a popular unit, regularly seen in the motorsport field because of its ability to regulate and filter fuel without restriction. So replace your fuel regulator and filter system with this tried and tested unit If you need to change the pressure to the carb, take off the cap nut, loosen the