Assault Racing Products 1039013 Ford BBF FE V8 50K One Wire HEI Distributor 352 360 390 406 427 428 Blue Cap New Fully CNC machined and polished housing Adjustable vacuum advance True spark alignment for instant throttle response Simple 1-wire hookup 50,000 volt coil and high performance module to ensure accurate and reliable firing to 7,500 RPM