3 Pin Microphone Wiring Diagrams - The items of militaria shown below can be viewed in our on-line shop complete with full descriptions, photographs and prices. (B.E.F.) Slip On Shoulder Title. A cloth embroidered slip on shoulder title for the British Expeditionary Force (B.E.F.). In good used condition with some very minor moth damage.. What cars is the PowerFC not supported on?: Vehicles such as the Nissan Stagea are not supported however the Stage features a Skyline engine (either rb25de, rb25det, rb26dett) engine and standard computer, so a suitable PowerFC for same engine year/model *should* work fine engine/computer..